Novatel Wireless EDG0208 GSM/ GPRS OEM Module User Manual Integration Guide

Novatel Wireless Inc. GSM/ GPRS OEM Module Integration Guide

Integration Guide

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Integration Guide:
EDG0208IG001
Enfora Enabler IIE Quad-Band
GSM/GPRS/EGPRS Modem
Integration Guide
Version 1.00
Integration Guide
Draft
Document Title:
Enfora Enabler EDG0208 Quad Band GSM/GPRS/EGPRS Modem
Integration Guide
Version:
Draft
Date:
05/26/2009
Status:
Draft
Document Control ID:
EDG0208IG001
General
All efforts have been made to ensure the accuracy of material provided in this document at
the time of release. However, the items described in this document are subject to continuous
development and improvement. All specifications are subject to change without notice and
do not represent a commitment on the part of Enfora, Inc. Enfora, Inc. will not be responsible
for any loss or damages incurred related to the use of information contained in this document.
This product is not intended for use in life support appliances, devices or systems where a
malfunction of the product can reasonably be expected to result in personal injury. Enfora,
Inc. customers using, integrating, and/or selling this product for use in such applications do so
at their own risk and agree to fully indemnify Enfora, Inc. for any damages resulting from
illegal use or resale.
Copyright
Complying with all applicable copyright laws is the responsibility of the user. Without limiting
the rights under copyright, no part of this document may be reproduced, stored in or
introduced into a retrieval system, or transmitted in any form or by any means (electronic,
mechanical, photocopying, recording or otherwise), or for any purpose, without the express
written permission of Enfora, Inc.
Enfora may have patents, patent applications, trademarks, copyrights or other intellectual
property rights covering subject matter in this document. Except as expressly provided in any
written license agreement from Enfora, the furnishing of this document does not give you any
license to these patents, trademarks, copyrights or other intellectual property.
©2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Enfora, Inc. All rights reserved.
Enabler and Spider are either registered trademarks or trademarks of Enfora, Inc. in the
United States..
Integration Guide
Draft
Table of Contents
1.0 SAFETY PRECAUTIONS.................................................. 1
1.1
IMPORTANT SAFETY INFORMATION ..................................................................................................................... 1
2.0 REGULATORY COMPLIANCE FCC ............................. 1
2.1 INTEGRATION CONSIDERATIONS AND
INSTALLATION REQUIREMENTS ........................................ 1
2.2 DISCLAIMER ..................................................................... 2
3.0 MANUAL OVERVIEW ...................................................... 4
3.1
REFERENCE DOCUMENTS.................................................................................................................................... 4
3.1.1
ENFORA ENABLER EDG0208 PRODUCT DOCUMENTATION ............................................................................. 4
3.1.2
GSM DEVICE SPECIFICATIONS: WWW.3GPP.ORG ............................................................................................. 5
3.1.3
FEDERAL COMMUNICATIONS COMMISSION (FCC) .......................................................................................... 5
3.1.4
FCC OFFICE OF ENGINEERING AND TECHNOLOGY (OET) ............................................................................... 5
3.1.5
INDUSTRY CANADA ........................................................................................................................................ 5
3.1.6
ENVIRONMENTAL REGULATIONS .................................................................................................................... 5
3.1.7
MECHANICAL SPECIFICATIONS ....................................................................................................................... 5
3.1.8
RF AND EMI SPECIFICATIONS ........................................................................................................................ 5
4.0 INTRODUCTION ............................................................... 6
4.1
4.2
4.3
4.4
4.5
4.6
4.7
PRODUCT OVERVIEW .......................................................................................................................................... 6
KEY FEATURES OF THE GSM/GPRS OEM MODULE........................................................................................... 6
PROVIDING MULTI-BAND OPERATION ................................................................................................................ 7
WIRELESS DATA APPLICATION POSSIBILITIES ..................................................................................................... 7
GENERAL DESIGN GUIDELINES FOR UTILIZING ENFORA GSM MODULES ............................................................... 8
ADVANCED TIPS FOR AN RF FRIENDLY LAYOUT .................................................................................................. 9
AUDIO REFERENCE DESIGN .............................................................................................................................. 13
5.0 TECHNICAL SPECIFICATIONS .................................. 15
5.1
ENABLER EDG0208 MODULE BLOCK DIAGRAM .............................................................................................. 15
5.2
DETAILED PRODUCT SPECIFICATIONS ............................................................................................................... 16
5.3
OPERATING POWER .......................................................................................................................................... 17
5.3.1
GSM Operating Power ............................................................................................................................ 17
5.3.2
GPRS Operating Power .......................................................................................................................... 17
5.3.3
EGPRS Operating Power ........................................................................................................................ 18
5.3.4
Transmit Power ....................................................................................................................................... 18
5.3.5
Receiver Sensitivity ................................................................................................................................. 18
6.0 MECHANICAL ................................................................. 19
6.1
ENABLER II-E MOUNTING TO HOST BOARD (REFERENCE) ................................................................................ 25
6.2
I/O CONNECTOR ............................................................................................................................................... 26
6.3
RF CONNECTION .............................................................................................................................................. 26
6.4
I/O SIGNAL CONNECTOR ON THE ENFORA ENABLER EDG0208 MODULE .......................................................... 27
6.4.1
I/O Connector Pin Assignments .............................................................................................................. 27
6.5
CIRCUIT PROTECTION ....................................................................................................................................... 28
6.6
ANTENNA ......................................................................................................................................................... 28
6.7
CONTROL CONNECTOR SIGNAL DESCRIPTIONS AND FUNCTIONS........................................................................ 29
6.7.1
Input Power ............................................................................................................................................. 29
6.7.2
Ring Indicate ........................................................................................................................................... 30
6.7.3
Radio Power/Reset (Pin 22) .................................................................................................................... 31
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Draft
6.7.4
Using the Power Control Signal ............................................................................................................. 31
6.7.5
Serial Interface (9 Pin I/F) (See table in section 6.4.1 I/O Connector Pin Assignments) ........................ 32
6.7.6
Analog-To-Digital Input.......................................................................................................................... 33
6.7.7
Handset Microphone Input...................................................................................................................... 33
6.7.8
Microphone Bias Output ......................................................................................................................... 33
6.7.9
Handset Speaker Output.......................................................................................................................... 33
6.7.10 Headset Microphone Input ...................................................................................................................... 33
6.7.11 Headset Speaker Output .......................................................................................................................... 34
1.1.1.
Maximum Swing ...................................................................................................................................... 34
6.7.12 Audio Design Note .................................................................................................................................. 34
6.7.13 Transmit Active Output (Pin-37) ............................................................................................................. 36
6.8
SUBSCRIBER IDENTITY MODULE (SIM) CARRIER .............................................................................................. 36
6.8.1
SIM Integration for the Enfora Enabler EDG0208 Module .................................................................... 36
6.8.2
Using a Remote SIM with the Enfora Enabler EDG0208 Module .......................................................... 36
6.8.3
Remote SIM Component Information ...................................................................................................... 37
7.0 MODES OF OPERATION ............................................... 38
7.1
7.2
7.3
7.4
7.5
ENABLING THE TRANSMISSION MODES FOR THE GSM/GPRS/EGPRS SERVICES .............................................. 38
VOICE COMMUNICATION .................................................................................................................................. 38
CIRCUIT-SWITCHED DATA ................................................................................................................................ 38
SMS: SHORT MESSAGE SERVICES .................................................................................................................... 39
SMS FEATURES SUPPORTED BY THE ENFORA ENABLER EDG0208 MODULE .................................................... 39
8.0 SIM OPERATION............................................................. 40
8.1
8.2
8.3
8.4
8.5
PROVISIONING THE SIM ................................................................................................................................... 40
GSM SERVICES SUPPORTED BY THE ENFORA ENABLER EDG0208 MODULE ..................................................... 40
GPRS SERVICES SUPPORTED BY THE ENFORA ENABLER EDG0208 MODULE.................................................... 40
EGPRS SERVICES SUPPORTED BY THE ENFORA ENABLER EDG0208 MODULE ................................................. 40
SELECTING THE MODES OF OPERATION............................................................................................................. 41
9.0 SOFTWARE INTERFACE .............................................. 42
9.1
9.2
9.3
SOFTWARE INTERFACE ..................................................................................................................................... 42
FORMAT FOR THE AT COMMANDS .................................................................................................................... 42
ENFORA AT COMMAND SET ............................................................................................................................. 42
10.0 SETUP AND INITIALIZATION ..................................... 43
10.1 GENERAL SETUP ............................................................................................................................................... 43
10.1.1 HyperTerminal Configuration for Enabler EDG0208 ............................................................................ 43
10.1.2 Initialization (AT Command Interface) ................................................................................................... 44
10.1.3 Initial Response to the AT Command ...................................................................................................... 45
10.1.4 Sending an Initialization String to the Enfora Enabler EDG0208 Module ............................................. 45
10.1.5 Setting Up the Communication Mode for the Enfora Enabler EDG0208 Module .................................. 45
10.1.6 Querying the Status of the Enfora Enabler EDG0208 Module ............................................................... 46
10.1.7 Setting Module Reporting Parameters for GSM and GPRS .................................................................... 46
10.2 GSM/SMS EXAMPLES ..................................................................................................................................... 46
10.2.1 Initialize the Enfora Enabler EDG0208 Module to Send and Receive SMS Text Messages.................... 46
10.2.2 Managing SMS Messages........................................................................................................................ 46
10.2.3 Data Call Configuration ......................................................................................................................... 46
10.2.4 Voice Call Configuration ........................................................................................................................ 46
10.3 GPRS PACKET EXAMPLES ................................................................................................................................ 46
10.3.1 GPRS/EGPRS ATTACH and ACTIVATE ................................................................................................ 46
10.3.2 Windows PPP Setup ................................................................................................................................ 46
11.0 INTEGRATION AND TESTING .................................... 47
11.1 INTEGRATING THE ENFORA ENABLER EDG0208 MODULE ................................................................................ 47
11.2 APPENDIX A - LIMITED WARRANTY ...................................................................................................... 49
11.2.1 Scope ....................................................................................................................................................... 49
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Draft
11.2.2 Hardware ................................................................................................................................................ 49
11.2.3 Software .................................................................................................................................................. 49
11.2.4 Other Considerations .............................................................................................................................. 50
11.3 APPENDIX B - REGULATIONS AND COMPLIANCE ............................................................................................ 51
11.3.1 GCF/PTCRB Approval (Formerly FTA) ................................................................................................. 51
11.3.2 Electromagnetic Compatibility (EMC) and Safety Requirements ........................................................... 51
11.3.3 EMC/Safety Requirements for the USA ................................................................................................... 51
11.3.4 Human Exposure Compliance Statement ................................................................................................ 51
11.3.5 Compliance with FCC Regulations ......................................................................................................... 51
11.3.6 Unintentional Radiators, Part 15 ............................................................................................................ 52
11.3.7 Intentional Radiators, Part 22 & 24........................................................................................................ 52
11.3.8 Instructions to the Original Equipment Manufacturer (OEM) ................................................................ 53
11.3.9 OEM Responsibilities for All Products Containing the Enabler IIE module .......................................... 55
11.3.10
Specific OEM Responsibilities for Portable Products and Applications ............................................. 56
11.3.11
Specific OEM Responsibilities for Mobile Products and Applications................................................ 56
11.3.12
Specific OEM Responsibilities for Fixed Products and Applications .................................................. 56
11.3.13
EMC/Safety Requirements for the Countries of the European Union (EU)......................................... 56
11.3.14
EMC/Safety Requirements for Other Countries .................................................................................. 56
11.4 APPENDIX C - GLOSSARY AND ACRONYMS ................................................................................................... 57
11.5 APPENDIX D – TABLES AND FIGURES ........................................................................................................... 59
11.6 APPENDIX E - CONTACTING ENFORA............................................................................................................. 60
Integration Guide
Draft
1.0 Safety Precautions
1.1 Important Safety Information
The following information applies to the devices described in this manual. Always observe all
standard and accepted safety precautions and guidelines when handling any electrical device.

Save this manual: it contains important safety information and operating instructions.

Do not expose the Enfora Enabler EDG0208 product to open flames.

Ensure that liquids do not spill into the devices.

Do not attempt to disassemble the product; doing so will void the warranty. With the exception
of the Subscriber Identification Module (SIM), this product does not contain consumerserviceable components.
2.0 Regulatory Compliance FCC
2.1 Integration Considerations and Installation Requirements
The Enabler IIE modem is designed for use in a variety of host units, "enabling" the host
platform to perform wireless data communications.

Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interference
that may cause undesired operation of the device.

In order to use the Enabler IIE modem without additional FCC certification approvals,
the installation must meet the following conditions:
Maximum RF output power and antenna gain to meet Maximum Permissible Exposure
Requirements:

GSM850 mode: Maximum antenna gain is 6.5 dBi.

GSM1900 mode: Maximum antenna gain is 3.0 dBi.

If used in an application such as a handheld or body worn device with the antenna less than 20
cm (7.9 in.) from the human body when the device is operating, then the integrator is
responsible for passing additional "as installed" testing and the device will require it’s own FCC
ID and FCC testing.

If used in a "mobile" application where the antenna is normally separated at least 20 cm (7.9
in) from the human body during device operation, then an appropriate warning label must be
placed on the host unit adjacent to the antenna. The label should contain a statement such as
the following:
WARNING
RF exposure. Keep at least 20 cm
(7.9 in) separation distance from
the antenna and the human body.

Host unit user manuals and other documentation must also include appropriate caution and
warning statements and information.
EDG0208IG001
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
If the FCCID for the modem is not visible when installed in the host platform, then a
permanently attached or marked label must be displayed on the host unit referring to the
enclosed modem.
For example, the label should contain wording such as:
Contains GSM/GPRS/EDGE transmitter module
FCC ID: MIVEDG0208
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and (2)
This device must accept any interference received,
including interference that may cause undesired operation.
OR
Contains FCC ID: MIVEDG0208
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and (2)
This device must accept any interference received,
including interference that may cause undesired operation.

Any antenna used with the modem must be approved by the FCC or as a Class II Permissive
Change (including MPEL or SAR data as applicable). The "professional installation" provision
of FCC Part 15.203 does not apply.

The transmitter and antenna must not be co-located or operating in conjunction with any other
antenna or transmitter. Violation of this would allow a user to plug another transmitter in to the
product and potentially create an RF exposure condition.
WARNING
The transmitter and antenna must not be collocated
or operating in conjunction with any
other antenna or transmitter. Failure to observe
this warning could produce an RF exposure
condition.
2.2 Disclaimer
The information and instructions contained within this publication comply with all FCC, GCF,
PTCRB, R&TTE, IMEI and other applicable codes that are in effect at the time of publication.
Enfora disclaims all responsibility for any act or omissions, or for breach of law, code or regulation,
including local or state codes, performed by a third party.
Enfora strongly recommends that all installations, hookups, transmissions, etc., be performed by
persons who are experienced in the fields of radio frequency technologies. Enfora acknowledges
that the installation, setup and transmission guidelines contained within this publication are
guidelines, and that each installation may have variables outside of the guidelines contained
herein. Said variables must be taken into consideration when installing or using the product, and
Enfora shall not be responsible for installations or transmissions that fall outside of the parameters
set forth in this publication.
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Enfora shall not be liable for consequential or incidental damages, injury to any person or property,
anticipated or lost profits, loss of time, or other losses incurred by Customer or any third party in
connection with the installation of the Products or Customer's failure to comply with the information
and instructions contained herein.
The Enabler IIE platform is designed with features to
support a robust connection. There are instances
where the module performance is beyond the control
of the intended design. Integrated designs that require
24 by 7 operation must implement power control via an
external circuit or by implementing power management
as specified within this design guide.
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3.0 Manual Overview
This document describes the hardware interface of the Enabler EDG0208 GSM/GPRS OEM Modem. The
purpose of this document is to define the electrical, mechanical and software interfaces while providing
detailed technical information in order to streamline the process of hardware and system integration.
3.1 Reference Documents
3.1.1
Enfora Enabler EDG0208 Product Documentation
Manuals

EDG0208AT001 - Enfora Enabler IIE AT Command Set
Application Notes
 GSM0000AN001 - Enabler-G PPP Configuration for Windows 98
 GSM0000AN002 - Enabler-G PPP Configuration for Windows 2000
 GSM0000AN003 - Enabler-G Data Circuit Switched Call Configuration and Use
 GSM0000AN004 - Enabler-G SMS Configuration and Use
 GSM0000AN005 - Enabler-G Automated Network Connection Configuration and Use
 GSM0000AN006 - Enabler-G Module Status Query
 GSM0000AN007 - Enabler-G Status Reporting
 GSM0000AN008 - Enabler-G PPP Configuration for Windows XP
 GSM0000AN013 - Enabler-G Sleep Mode Configuration and Use
 GSM0000AN016 - How to Send SMS Messages to an E-Mail Address
Technical Notes
 GSM0000TN001 - Enabler-G Firmware Upgrade
 GSM0000TN002 - Enabler-G PPP Negotiation Sequence
 GSM0000TN008 - Enabler Power Supply Requirements
 GSM0000TN013 – Enabler III-G and IIE CMUX Description
EDG0208IG001
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3.1.2
GSM Device Specifications: www.3gpp.org

3.1.3
3GPP TS 51010-1 (850, 900,1800,1900 MHz devices)
Federal Communications Commission (FCC)
Internet: http://www.fcc.gov/

FCC Rules, Part 24


47 CFR Subpart E--Broadband PCS
47 CFR § 24.52, sections 1.1307(b), 2.1091, and 2.1093
 FCC Rules, Part 22 for GSM 850
 FCC Rules, Part 15
 FCC Rules, Part 2


3.1.4
Subpart J--Equipment Authorization Procedures
Section 2.925
FCC Office of Engineering and Technology (OET)
Internet: http://www.fcc.gov.oet/
3.1.5

Bulletin Number 65 "Evaluating Compliance with FCC Guidelines for Human Exposure
to Radio Frequency Electromagnetic Fields"

Supplement C "Additional Information for Evaluating Compliance of Mobile and
Portable Devices with FCC Limits for Exposure to Radio Frequency Emissions"
Industry Canada
 RSS-132
 RSS-133
 ICES-003
3.1.6
Environmental Regulations

3.1.7







3.1.8





National Environmental Policy Act (NEPA) of 1969 (Part 1, Subpart 1)
Mechanical Specifications
ASTM D999
ASTM D775
IEC 68-2-27
Bellcore Gr-63-CORE
ETS 300 019-1-1 Class 1.2
ETS 300 019-1-2 Class 2.1
ETS 300 019-1-3 Class 3.1
RF and EMI Specifications
ETSI Standards
EN 61000-4-6
EN 61000-4-3
TS 51.010-1, Section 12.2
EN 55022 Class B
EDG0208IG001
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4.0 Introduction
4.1 Product Overview
Enfora Enabler EDG0208 GSM/GPRS Radio modem is a compact, wireless OEM module that utilizes the
Global System for Mobile Communications (GSM), GPRS (General Packet Radio Services) and EDGE
international communications standard to provide two-way wireless capabilities via GSM services. The
Enfora Enabler EDG0208 module is a fully Type-approved GSM/GPRS/EDGE device, enabling applicationspecific, two-way communication and control. The Enfora Enabler EDG0208 module is available as a quad
band version.
The Enfora Enabler EDG0208 module is designed to be a drop in replacement for the Enabler II E EDG0108
module. It’s physical size, electrical specifications and physical connectors are identical to the EDG0108 for
a seamless transition.
4.2 Key Features of the GSM/GPRS OEM Module
The following table summarizes the main features of the Enfora Enabler EDG0208 Radio Module.
Interface
Data input/output interface
60 position
Primary serial port
V.24 protocol, 3 V levels
Voice
Supports four vocoder modes: full-rate (FR), enhanced fullrate (EFR), half-rate (HR) and adaptive multi-rate (AMR)
Antenna Interface
ultra Miniature Coaxial Interconnect
Command protocol
GSM AT command set
Subscriber Identification Module
Optional mini-SIM carrier and interface on board
(SIM)
Optional remote SIM
Accessible via the 60-pin connector
Power
Electrical power
3.3 to 4.5 Vdc
Peak currents and average
power dissipation
Radio Features
Frequency bands
Refer to the Operating Power table in the Technical
Specifications for peak currents and average power
dissipation for various modes of operation.
EGSM 900, DCS 1800, PCS 1900 and GSM 850 capability.
GSM/GPRS/EGPRS features
supported
Regulatory
GSM/GPRS/EGPR
Functionality
SIM
Provides for all GSM/GPRS/EGPRS authentication,
encryption, and frequency hopping algorithms. GPRS
Coding Schemes CS1-CS4 supported. Multi-Slot Class 10
(4RX/2TX, Max 5 Slots). EGPRS Coding Schemes MCS1MCS9 supported. Multi-Slot Class 10 (4RX/2TX, Max 5
Slots)
Agency approvals

GCF Type Approval (Version 3.17.0)

PTCRB Type Approval (NAPRD 3.2.1)

FCC Certification

R&TTE

CE (European Community Certification)

IC (Industry Canada) Approval

Mobile-originated and mobile-terminated SMS messages: up to 140 bytes or up to 160
GSM 7-bit ASCII characters.

Reception of Cell Broadcast Message

SMS Receipt acknowledgement

Circuit Switched Data (Transparent & Non-transparent up to 9.6 Kbps)

Voice (EFR, FR, HR, AMR)

Supports Unstructured Supplementary Service Data (USSD)

Multi-Slot Class 10 Supported (4Rx/2TX), (5 Slot Max)

PBCCH/PCCCH Supported

EGPRS Release 99
1.8 & 3 V Mini-Subscriber Identity Module (SIM) compatible
Table 1 - Enabler EDG0208 Key Features
EDG0208IG001
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4.3 Providing Multi-Band Operation
The Enfora Enabler EDG0208 module provides by default the appropriate multi-band operation, it is also
possible to select the operating frequency by AT Command. There are two modes of multi-band
environment available:

The GSMS850 / PCS1900 bands are available for use in North America and places where these
bands have been provisioned.

The GSM900 / DCS1800 MHz bands are available for use in Europe and the rest of the world.
4.4 Wireless Data Application Possibilities
A variety of applications can use the Enfora Enabler EDG0208 module for transmitting and receiving data
and voice, such as:

Automated Meter Reading (AMR)

Point of Sale Applications

E-mail and Internet access

Automated Vehicle Location (AVL)

Telematics

Telemetry

Wireless Security


EDG0208IG001
Smart Phones
Telemedicine
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4.5 General design guidelines for utilizing Enfora GSM modules
The following guidelines are provided in an effort to allow Enabler IIE module users to successfully
implement their PCB layout to obtain the best performance. This includes the lowest possible EMI
emissions, maximum thermal conduction, mechanical integrity, and voice quality. The Enabler IIE
module is a very compact, high performance design, yet it is easy to interface into the final product. In
order to realize its full potential, designers should pay close attention to ground structures, the routing of
RF and Digital traces, and the size of the power supply lines.
These design tips are strictly guidelines and are not
meant to be a complete list of items that guarantee
actual performance. Each application is different and
may require variation from these guidelines, however,
care should be given to utilize these sound engineering
principles whenever possible.
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4.6 Advanced tips for an RF friendly layout
Ground Plane
To ensure the lowest possible EMI emissions and maximum thermal conductivity, it is
recommended that all metal tabs on the GSM module shield must be soldered down onto a
continuous ground plane that runs under the entire module. Ample ground vias should be
provided around the metal tabs to create a low impedance ground. It is recommended to
minimize the number of I/O and power traces and vias under the GSM module to allow for as
much ground plane as possible. If the integrated unit includes more than one board, the design
must guarantee a good RF ground connection between the boards in order to make sure the
ground planes are at the same RF potential. An example of a good ground structure and pad
layout is shown below in Figure 1.
Figure 1 - Example of good ground plane for GSM modules
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Thermal Relief
Because the ground plane acts as a large heat sink, it can affect the solderability of
components. A common method to reduce this effect is to use thermal relief around the pad in
question. However, great care must be taken when using thermal relief for high current or high
frequency applications
For example, a large thermal relief like the one shown in Figure 2 can serve the purpose for
general applications such as low current, low speed data lines, DC connections and audio
frequency applications. Such thermal relief structures should be avoided for applications
where high current and/or high frequency is involved, such as those using the Enabler Module.
Depending on the frequency of operation, the long narrow thermal relief traces between the
pad and the ground plane act like an RF choke. These RF chokes become higher impedance
at harmonics of the fundamental frequency making it problematic for high frequency
suppression. This can make it difficult to pass type approval testing.
POOR RF thermal relief
Figure 2 - Example of a POOR RF Thermal Relief
If thermal relief is necessary, it is recommended that you use short, fat traces similar to those
shown in Figure 3. This will still provide a solderable connection, while providing a better RF
connection. Making them shorter also allows for a more continuous ground plane due to less
copper being removed from the area. It is also recommended to have ground vias around all
thermal relief of critical ground pins such as the five Enabler shield tabs.
EDG0208IG001
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Draft
GOOD RF thermal relief
Figure 3 - Example of a GOOD RF Thermal Relief
Antenna and RF Signal Trace
The PCB trace that feeds the RF output port must be designed for a 50 ohm characteristic
impedance, coplanar, or routed into internal layers to keep the top layer continuous around
and underneath the Enabler module. Ample ground vias should be provided around the RF
contacts, the RF trace and launch pad. If possible, keep I/O and power traces away from the
RF port. This includes traces running parallel or orthogonal to it. Thermal relief should not be
used on the antenna output port ground pads. The designer must pay close attention to the
size of the pad and thickness of the dielectric beneath the signal pad and trace. Most PCB
manufacturers can adjust the trace width to maintain 50 ohms impedance if the traces are
identified and instructions are included on the FAB drawing. This service is typically provided
at no or minimal additional cost.
For minimum RF emissions due to the fundamental frequency of operation, the Enabler
module works best with an antenna load that has a VSWR of 1.5:1 or better. The antenna
should not have gain at the harmonic frequencies, otherwise, the conducted harmonics could
get amplified to a point where the product no longer passes type approval. However, for
applications where antenna quality is less than ideal, it is recommended to have a low pass
filter (Pi structure with N=3) in the RF path to the antenna. This is a secondary plan should
there be a need to lower harmonic levels at frequencies above the PCS band. The pad
structure may also be used to match the antenna load impedance, if required. If it is not
needed, a capacitor of low reactance may be used to bridge the Pi structure.
The RF cable going between the Enable module and the antenna is very lossy, therefore, the
length of this cable should be kept as short a possible.
If multiple antennas are used in their design, care should be taken during placement selection
to minimize the coupling between the GSM antenna and the other antennas.
EDG0208IG001
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Draft
Vbat Input
The Enabler Vbat input can have a relative high current draw that can fluctuate rapidly,
especially when transmitting at max power and burst mode. The Vbat interface must be
designed to provide the required instantaneous voltage and current with minimal voltage
droop. This includes both sufficient bulk decoupling capacitance as well as adequate layout
provisions.
When laying out the connections to the Enabler interface connector, it is tempting to use traces
of the same width as the connector pins. However, this is a very compact connector and
traces of that width will not have sufficient copper. Similar to the discussion on thermal relief,
the use of narrow traces to connect the Vbat pins to the source voltage can act like a high
impedance and cause a significant voltage droop when higher currents are required as shown
in Figure 4.
Figure 4 - Example of Vbat Voltage Droop
If the Vbat drops too low, the Enabler modules will reset. To minimize the trace loss, it is
suggested to use a larger trace that spans several pins as shown in Figure 5. Any concern
about solderability can be mitigated by using solder mask with cutouts for the individual pins as
shown by the blue lines in the figure. The layout should provide sufficient trace width over the
entire trace from the Enable modules all the way to the source of the Vbat voltage. Any
transitions between layers for this trace should utilize multiple vias.
Since even the best layout will have some impedance from the source to the Enabler module,
sufficient bulk decoupling capacitance is required at the Vbat input to the Enabler module. It is
suggested to use at least two 1000 uF, low ESR, tantalum capacitors located very close to the
Enabler interface connector Vbat pins. Any thermal relief used on these capacitors should
comply with the information given above in order to provide the lowest impedance possible.
The grounding of these capacitors is critical. Therefore, it should be a low impedance and
should utilize multiple vias to the internal ground plane close to the capacitor as well.
EDG0208IG001
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Draft
Vbat trace
Figure 5 - Example of GOOD Vbat layout
4.7 Audio Reference Design
The audio quality is very dependent on the circuit design and layout. As an aid to
obtaining good audio quality, a reference design has been included below. It has been
proven to provide good performance on the SDK module.
Audio Schematics
EDG0208IG001
Page 13
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Integration Guide
Draft
Figure 6 - Audio Reference Design Schematic
Audio Layout
Layout plots for the audio section of the SDK are available upon request.
EDG0208IG001
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Draft
5.0 Technical Specifications
5.1 Enabler EDG0208 Module Block Diagram
PWR
Audio
Analog
Baseband/
Power
Mgmt
Analog BB
RF
Interface
RX Intfc.
Antenna
Intfc.
RF
SIM
VCO
PA
GPIO
Digital
Baseband/
CPU
SRAM/
Flash
Memory
Ser. Intfc.
Figure 7 Enabler EDG0208 Module Block Diagram
EDG0208IG001
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Draft
5.2 Detailed Product Specifications
Physical Dimensions and Weight
Size (L x W x H)
46.3 mm x 30.2 mm x 3.1 mm
Weight
8.2 grams.
Climatic: Operational
Operating temperature
-20°C to +60°C
Relative humidity
5 - 95%
Solar radiation
Air pressure (altitude)
Not Applicable
70 kPa to 106 kPa (-400 m to 3000 m)
Climatic: Storage and Transportation
Duration
Ambient temperature
Relative humidity
Thermal shock
Altitude
24 months
-4C to +8C
5% to 95%, non condensing (at 4C)
-5C to +2C, +7C to +2C; < 5 min
-400 m to 15,000 m
Mechanical: Operational
Operational vibration, sinusoidal
3.0 mm disp, 2 to 9 Hz; 1 m/s2 , 9 to 350 Hz
Operational vibration, random
0.1 m2 /s3 , 2 to 200 Hz
Mechanical: Storage and Transportation
Transportation vibration, packaged
Drop, packaged
Shock, un-packaged
Drop, un-packaged
ASTM D999
ASTM D775 method A, 10 drops
150 m/s2 , 11 ms, half-sine per IEC 68-2-27
4-inch drop per Bellcore GR-63-CORE
Mechanical: Proposed Standards
Transportation
Operational
Storage
EDG0208IG001
ETSI Standard ETS 300 019-1-2 Class 2.3
Transportation
ETSI Standard ETS 300 019-1-3 Class 3.1
Operational
ETSI Standard ETS 300 019-1-1 Class 1.2 Storage
Page 16
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Draft
Electromagnetic Emissions
Radiated spurious
FCC Part 24 / Part 15 Class \ B
TS 51.010-1 Section 12.2
EN 55022 Class B
Electromagnetic Immunity
(per ETSI ETS 300 342-1)
Radio Frequency (RF) Electromagnetic Field
3 V/m 800 – 1000 MHz; 1 kHz 80%
EN 61000-4-3
Contact discharge to coupling planes: ±2 kV, ±4 kV
Air discharge to coupling planes: ±2 kV, ±4 kV,
±8 kV
3 V rms (Level 2) 150 kHz – 80 MHz
EN 61000-4-6
Electrostatic discharge (ESD)
RF common mode
5.3 Operating Power
5.3.1
GSM Operating Power
GSM Operation
Band
Mode
1900
1800
1 RX/1 TX, Full Power
900
850
ALL
Idle (lowest dynamic value; not an average
that includes paging, which varies by
network)
N/A
Shutdown
5.3.2
Low
Input Current
Nom/Avg
350
361
407
428
High/Peak
1086
1118
1410
1540
<5
Units
mA
mA
mA
mA
mA
~ 10
uA
GPRS Operating Power
GPRS Operation
Band
Mode
4 RX/1TX, Full Power
1900
2 RX/2TX, Full Power
1 RX/1TX, Full Power
4 RX/1TX, Full Power
1800
2 RX/2TX, Full Power
1 RX/1TX, Full Power
4 RX/1TX, Full Power
900
2 RX/2TX, Full Power
1 RX/1TX, Full Power
4 RX/1TX, Full Power
850
2 RX/2TX, Full Power
1 RX/1TX, Full Power
ALL
Idle (lowest dynamic value; not an average
that includes paging, which varies by
network)
N/A
Shutdown
EDG0208IG001
Page 17
Low
Input Current
Nom/Avg
383
485
335
391
487
338
436
575
386
462
621
406
High/Peak
1070
1230
1066
1094
1270
1086
1390
1610
1370
1540
1790
1540
<5
Units
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
~ 10
uA
Rev. 1.03 –4/19/07
Integration Guide
Draft
5.3.3
EGPRS Operating Power
EGPRS Operation
Band
Mode
3 RX/1TX, Full Power
Low
2 RX/2TX, Full Power
1900
1 RX/1TX, Full Power
3 RX/1TX, Full Power
2 RX/2TX, Full Power
1800
1 RX/1TX, Full Power
3 RX/1TX, Full Power
2 RX/2TX, Full Power
900
1 RX/1TX, Full Power
3 RX/1TX, Full Power
2 RX/2TX, Full Power
850
1 RX/1TX, Full Power
Idle (lowest dynamic value; not an average
that includes paging, which varies by
network)
Shutdown
ALL
N/A
5.3.4
Input Current
Nom/Avg
High/Peak
398
483
357
413
513
372
432
564
395
440
567
395
1038
1078
938
1078
1210
1034
1220
1370
1170
1260
1410
1200
<5
Units
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
~ 10
uA
Transmit Power
Transmit Power Class
Band
1900
GSM Power Class
Class 1 (1 W)
(30 dBm  2 dB @ antenna connection)
Class 1 (1 W)
(30 dBm  2 dB @ antenna connection)
Class 4 (2W)
(33 dBm  2 dB @ antenna connection)
Class 4 (2W)
(33 dBm  2 dB @ antenna connection)
1800
900
850
5.3.5
EGPRS
Class E2 (0.4W)
(26 dBm  3 dB @ antenna connection
Class E2 (0.4W)
(26 dBm  3 dB @ antenna connection
Class E2 (0.5W)
(27 dBm  3 dB @ antenna connection
Class E2 (0.5W)
(27 dBm  3 dB @ antenna connection
Receiver Sensitivity
The EDG0208 modem conforms to all of the GSM 3GPP requirements as verified according to 3GPP TS
51.010-1. The sensitivity is at 25 C - TCH/FS Class II (RBER) Static Conditions.
Band
1900 MHz
1800 MHz
900 MHz
850 MHz
EDG0208IG001
Sensitivity
-105 dBm
-105 dBm
-105 dBm
-105 dBm
Mode
Page 18
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Draft
6.0 Mechanical
Figure 8 – Front of EDG0208-00 & -01
Figure 9 – Back of EDG0208-00
EDG0208IG001
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Draft
Figure 10 - I/O, RF Connector, & Mounting Tabs
EDG0208IG001
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Draft
Figure 11 – Back of EDG0208-01
EDG0208IG001
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Draft
Figure 12 - EDG0208-01 Side View (mm)
EDG0208IG001
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Draft
Figure 13 - Back of EDG0208-01
EDG0208IG001
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Draft
Figure 14 – Front of EDG0208-02
EDG0208IG001
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Draft
6.1 Enabler II-E Mounting to Host Board (Reference)
The Enabler II-E provides mounting tabs that can be soldered to a PCB. These tabs provide
circuit grounding for the module and their use is recommended.
Figure 15 – Enabler II-E Mounting
EDG0208IG001
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Draft
6.2 I/O Connector
60-Pin I/O Connector, SMT, Dual Row, 0.5 mm (.020") Pitch
The 60-pin connector on the modem is a Molex 53729-0608.
The 60-pin connector required on the host board is a Molex 52974-0604 (or –0608).
The mated height of the two connectors is 2.00 mm.
6.3 RF Connection
-00 & -01
A custom antenna can be attached via the on-board connector or soldered directly to the modem.
Antenna Solder Pads
The antenna direct connect solder pad is 1.02 mm wide x 2.54 mm high and the antenna ground pads are
2.03 mm wide x 2.54 mm high.
RF Connector
The Module utilizes an ultra Miniature Coaxial Interconnect from Sunridge (MCB-ST-00T) as the on-board
antenna connector. A compatible mating connector is the Sunridge MCB2-xx-xx-xxx-x series component.
The cable assembly is made to order. Maximum stack height of cable connector and PCB connector is 2.0
mm.
EDG0208IG001
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Draft
6.4 I/O Signal Connector on the Enfora Enabler EDG0208 Module
The Enfora Enabler EDG0208 module communicates with the carrier board of the application via the 60-pin
I/O signal connector. The following table describes the pin assignments for the connector, sorted by pin
number.
6.4.1
I/O Connector Pin Assignments
PIN
FUNCTION
Serial
Pin
The following table shows the pin assignments for the input/output connector.
I/O
Description
Description/Comments
Power Input
Batt/Vcc
Power input to Enabler EDG0208 module.
Power Input
Batt/Vcc
Power input to Enabler EDG0208 module.
Power Input
Batt/Vcc
Power input to Enabler EDG0208 module.
Power Input
Batt/Vcc
Power input to Enabler EDG0208 module.
Power Input
Batt/Vcc
Power input to Enabler EDG0208 module.
Power Input
Batt/Vcc
Power input to Enabler EDG0208 module.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
Ground
Ground
Handset Speaker (-)
Power Input
Ground
Power Input
Handset Speaker (+)
GPIO-1
Ground
Ground
Microphone Bias
GPIO-5
Ground
Reserved
Handset Microphone (-)
Reset
Ground
Power Control Signal
Handset Microphone (+)
Reserved
GPIO-3
GPIO-2
Reserved
I/O
I/O
GND
GND
INTERNAL_SPK(-)
Batt/Vcc
GND
Batt/Vcc
INTERNAL_SPK(+)
GPIO-1
GND
GND
VMIC
GPIO-5
GND
INT_MIC(-)
RESET
GND
PWR_CTL_SIGNAL
INT_MIC(+)
I/O
I/O
GPIO-3
GPIO-2
Power return for digital and analog grounds.
Power return for digital and analog grounds.
Handset speaker output (negative).
Power input to Enabler EDG0208 module.
Power return for digital and analog grounds.
Power input to Enabler EDG0208 module.
Handset speaker output (positive).
General-purpose Input/Output.
Power return for digital and analog grounds.
Power return for digital and analog grounds.
Microphone Bias.
General-purpose Input/Output.
Power return for digital and analog grounds.
Reserved for future use.
Handset microphone input (negative).
Module Reset
Power return for digital and analog grounds.
Power Control Signal.
Handset microphone input (positive).
Reserved for future use.
General-purpose Input/Output.
General-purpose Input/Output.
Reserved for future use.
30
GPIO-4
I/O
GPIO-4
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
Reserved
GPIO-6
Ground
GPIO-7
Reserved
Reserved
TX Active
Stereo Headset - (+) Left
GPIO-8
Reserved
Ground
Headset Microphone (+)
Serial Receive Data
Ground
Data Set Ready
A to D Input
Data Carrier Detect
I/O
I/O
GPIO-6
GND
GPIO-7
I/O
TX Active
HEADSET_SPK (Left) (+)
GPIO-8
GND
HEADSET_MIC(+)
RXD_RADIO
GND
DSR_RADIO
ADC2
DCD
EDG0208IG001
General Purpose Input-Output
Reserved for future use.
General Purpose Input-Output
Power return for digital and analog grounds.
General Purpose Input-Output
Reserved for future use
Reserved for future use.
Page 27
Stereo Headset Earphone – Left (positive)
General Purpose Input-Output
Reserved for future use.
Power return for digital and analog grounds.
Headset Microphone (positive).
Serial Data to Host.
Power return for digital and analog grounds.
DSR Signal to Host.
Analog-to-Digital Converter Input 2.
DCD Signal to Host.
Rev. 1.03 –4/19/07
PIN
FUNCTION
48
49
SIM Clock
Ring Indicator
50
51
52
53
54
55
56
57
58
59
60
Ground
Serial Transmit Data
SIM Data I/O
Request To Send
SIM Reset
Clear To Send
A to D Input
Data Terminal Ready
SIM Power
Ground
Ground
Serial
Pin
Integration Guide
Draft
I/O
Description
Description/Comments
SIM_CLK
RI
SIM Clock.
RING Indicator.
I/O
GND
TXD_RADIO
SIM_IO
RTS_RADIO
SIM_RST
CTS_RADIO
ADC1
DTR_RADIO
SIM_VCC
GND
GND
Power return for digital and analog grounds.
Serial Data from Host.
SIM I/O Data.
RTS Signal from Host.
SIM Reset.
CTS Signal to Host.
Analog-to-Digital Converter Input 1.
Data Terminal Ready Signal from Host.
SIM Power.
Power return for digital and analog grounds.
Power return for digital and analog grounds.
Table 2 - Enabler EDG0208 Pin Assignments
I=Input into Enabler; O=Output from Enabler; P=Power Input to Enabler; R=Power Return from Enabler;
I/O=Input/Output into/from Enabler
Reserved for future use
NO CONNECT if on-board SIM holder is used
6.5 Circuit Protection
Other than the basic low level ESD protection within the module’s integrated circuits (typically 2000 V), the
Enabler EDG0208 does not have any protection against ESD events or other excursions that exceed the
specified operating parameters.
The only exception is that the remote SIM lines on the main I/O connector do have additional ESD protection
that should handle standard human-model contact ESD events.
Generally, ESD protection (typically TVS/Transzorb devices) should be added to all signals that leave the
host board. This includes VBAT/VCC.
Series resistors (typically 47 ) can also be added in series with data lines to limit the peak current during a
voltage excursion.
Caution – It is the Integrator’s responsibility to protect
the Enabler EDG0208 from electrical disturbances and
excursions that exceed the specified operating
parameters.
6.6 Antenna
The Enabler EDG0208 utilizes an ultra Miniature Coaxial Interconnect from Sunridge (MCB-ST-00T) as the
on-board antenna connector. A compatible mating connector is the Sunridge MCB2-xx-xx-xxx-x series
component. The cable assembly is made to order. Maximum stack height of cable connector and PCB
connector is 2.0 mm.
EDG0208IG001
Page 28
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Draft
6.7 Control Connector Signal Descriptions and Functions
6.7.1
Input Power
The Enfora Enabler EDG0208 module uses a single voltage source of VCC=+3.3V to 4.5V. (exact values of
the uplink currents are shown in Tables 5.3.1 GSM Operating Power and 0
GSM Operation
Band
Mode
1900
1800
1 RX/1 TX, Full Power
900
850
ALL
Idle (lowest dynamic value; not an average
that includes paging, which varies by
network)
N/A
Shutdown
Low
Input Current
Nom/Avg
350
361
407
428
High/Peak
1086
1118
1410
1540
<5
Units
mA
mA
mA
mA
mA
~ 10
uA
GPRS Operating Power). The VCC lines (pins 1 to 6) should be connected on the application board.
The uplink burst will cause strong ripple on the voltage
lines and should be effectively filtered. It is recommended
that 1000 to 2500 F of capacitance be placed as close to
the modem I/O connector as possible.
It should be noted that the input voltage level should not
drop below the minimum voltage rating under any
circumstances, especially during the uplink burst period.
EDG0208IG001
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Draft
6.7.2
Ring Indicate
The Enabler EDG0208 module is capable of using the Ring line to discern the type of incoming call. The
indicator can be monitored via a hardware line available on the 60 pin I/O signal connector. The Ring
Indicator pin is #49.
The function of the Ring line depends on the type of the call received.
When the module is receiving a voice call, the Ring line goes low for 1 second and high for another 2
seconds. Every 3 seconds the ring string is generated and sent over the Receive (Data Out) (Rx) line. If
there is a call in progress and call waiting is activated for a connected handset or hands free device, the
Ring pin switches to ground in order to generate acoustic signals that indicate the waiting call.
Ring
2 seconds
1 second
RING String
2 seconds
1 second
RING String
When a data call is received, Ring goes low and will remain low. Every 3 seconds a ring string is generated
and sent over the Receive (Data Out) (Rx) line.
Ring
3 seconds
RING String
3 seconds
RING String
RING String
An incoming SMS can be indicated by an Unsolicited Result Code (URC) causing the Ring line to go low for
1 second only. Using the AT+CNMI command, the Enabler EDG0208 can be configured to send or not to
send URCs upon the receipt of SMS. See Enfora Enabler-IIIE AT Command Set Reference EDG0208AT001.
Ring
1 second
URC
Figure 16 Ring Indicate Timing
EDG0208IG001
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Draft
6.7.3
Radio Power/Reset (Pin 22)
A pulse on this Active-High input resets/restarts the module. This input has a “weak pull-down” resistor
internal to the module and can be left open-circuit or grounded if it is not going to be used. To initiate a
reset, provide a high-pulse of at least 50 ms duration.
Radio Power/Reset” should not be used as a routine start or wake-up function. “Module Reset” should only
be attempted when the modem does not respond to a Power Control Signal command.
PARAMETER
VIL
PARAMETER / CONDITIONS
Input Voltage – Low or float
VIH
Input Voltage – High
IPD
Pulse Duration
Internal Pull-Down Resistor
High Pulse Duration
6.7.4
MIN
TYP
0.7 x
VBAT
-40
50
MAX
0.3 x
VBAT
VBAT
UNIT
Vdc
Vdc
A
mS
-2
Using the Power Control Signal
The input is equivalent to the “phone ON-button”. This is a hardware-controlled pin on power-up. It must
be grounded momentarily or continuously to start the modem. Subsequent signals to this pin (active
high-to-low transition) will cycle power to the module. When the modem is OFF, a high-to-low pulse of >
100 mS will turn the modem ON. When the modem is ON, a high-to-low pulse of XXX mS will deregister
from the network and turn the modem OFF. XXX is > 100 mS and can be configured via AT Command for
pulses up to 10000 mS. This input has a “weak pull-up” resistor internal to the module. If this pin is not
being controlled manually with the micro controller (or other device), the pin must be grounded.
PARAMETER
VIL
PARAMETER / CONDITIONS
Input Voltage – Low or float
VIH
Input Voltage – High
IPU
ON Pulse Duration
OFF Pulse Duration
Internal Pull-Up Resistor
EDG0208IG001
MIN
0.7 x
VBAT
-20
100
100
Programmable
Page 31
TYP
MAX
0.3 x
VBAT
VBAT
-2
10000
UNIT
Vdc
Vdc
A
mS
mS
Rev. 1.03 –4/19/07
Integration Guide
Draft
6.7.5
Serial Interface (9 Pin I/F) (See table in section 6.4.1 I/O Connector Pin Assignments)
The modem provides a standard 16550 UART serial interface to the host. The data interface operates at
CMOS level.
PARAMETER
PARAMETER / CONDITIONS
MIN
VIL
VIH
VOL
VOH
IOL / IOH
Input Voltage – Low
Input Voltage – High
Output Voltage – Low
Output Voltage – High
Rated Output Current
2.0
TYP
MAX
0.8
0.65
2.4
UNIT
Vdc
Vdc
Vdc
Vdc
mA
The Enabler EDG0208 is designed to be used like a DCE device. RxData is the serial data from the modem
to the host. TxData is the serial data from the host to the modem.
Enabler II-E
UART
Host
Tx
Rx
DCD
RTS
DSR
DTR
CTS
RING
Figure 17 Enabler EDG0208 Serial Interface
This data may contain 7 or 8 data bits, 1 or 2 stop bits, even/odd/no parity bits. The baud rate may be
adjusted to 9600, 14400, 28800, 38400, 57600, 115200, 230400, 460800.
Default settings are 8 data, 1 stop, no parity, and 115200 baud. DTR may be used to force the modem into
AT command mode from online data mode (See AT Command Document, command AT&D). RTS and CTS
may be used for hardware handshaking. DSR is always active (connected to ground) while the modem is
on. RING may be used to alert the host to a variety of incoming calls.
For a minimal implementation, connect RxData and TxData to the COM port serial data lines, connect DTR
and RTS to GND.
EDG0208IG001
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Draft
6.7.6
Analog-To-Digital Input
Analog-To-Digital Input
Parameter/Conditions
ADCBRES
ADCREF
VADC
Integral/Differential Non-Linearity
Input Leakage
Retuning Frequency
Input Capacitor
ADC Binary Resolution
ADC Reference Voltage
ADC Range
6.7.7
MIN
-2
UNIT
Bits
Vdc
Vdc
LSB
A
MHz
pF
1.75
+2
12
Maximum settling time for the input
signal is 16*t
Parameter/Conditions
Inputs 3 dBm0 (Max. digital
sample amplitude when PGA gain
set to 0 dB)
MIN
Nominal Ref. Level –
Mic(+) to Mic(-)
Differential Input Resistance –
Mic(+) to Mic(-)
Microphone Pre-Amplifier Gain
TYP
MAX
UNIT
32.5
mVRMS
-10
dBm0
36
k
25.6
dB
Microphone Bias Output
Parameter
Bias Voltage on Mic(+)
Parameter/Conditions
Set to 2.0 V
Set to 2.5 V
MIN
Parameter/Conditions
Output Swing 3.9 VPP
Output Swing 1.5 VPP
MIN
Mic Bias Current Capability
6.7.9
MAX
10
1.75
Handset Microphone Input
Parameter
Maximum Input Range –
Mic(+) to Mic(-)
6.7.8
TYP
TYP
1.9
2.4
MAX
UNIT
2.1
2.6
Vdc
Vdc
mA
Handset Speaker Output
Parameter
Max Differential Resistive Load
Maximum Differential
Capacitive Load
Common Mode Minimum
Resistive Load
Common Mode Maximum
Capacitive Load
Amplifier Gain
TYP
MAX
UNIT
100


pF
120
33
At Internal Speaker (+) or (-)
200
At Internal Speaker (+) or (-)
k
10
pF
dB
Enfora recommends an external audio amplifier for loads of less than 16  or if volume is inadequate.
6.7.10
Headset Microphone Input
Parameter
Maximum Input Range
Parameter/Conditions
Inputs 3 dBm0 (Max. digital
sample amplitude when PGA gain
set to 0 dB)
Nominal Ref. Level
TYP
Page 33
MAX
78
-10
25.6
Microphone Pre-Amplifier Gain
EDG0208IG001
MIN
UNIT
mVrms
dBm0
dB
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Draft
6.7.11
Headset Speaker Output
Parameter
1.1.1.
Maximum Swing
Parameter/Conditions
RL = 32  & 2% distortion
VSP input level = +3 dBm0
MIN
TYP
1.60
1.96
MAX
Vp-p
100
Maximum Capacitive Load
Maximum Resistive Load
Amplifier Gain
Amplifier State in Power Down
32
-5
UNIT
pF

dB
HighZ
The headset speaker output is a single ended output. Enfora recommends an external audio amplifier for
loads of less than 32  or if volume is inadequate.
6.7.12
Audio Design Note
Speaker and microphone PCB traces should be run in pairs and buried between two ground planes for best
results. The following figure provides a sample circuit design for connection of Mic and Speaker pins.
NOTE: The audio circuitry shown is left as a placeholder and is to be
considered preliminary.
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Figure 18 Audio Reference
(Please note that this schematic can be zoomed to read the detail)
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6.7.13
Transmit Active Output (Pin-37)
Logic-output that signals when the transmitter is active. A HIGH output indicates that the
transmitter is ACTIVE.
Transmit Active
Parameter/Conditions
VOH
IOH = -100 A
IOH = -4 mA
IOL = 100 A
IOL = 4 mA
VOL
Min
Typ
2.7
Max
2.8
Units
Vdc
Vdc
Vdc
Vdc
2.2
0.1
0.45
6.8 Subscriber Identity Module (SIM) Carrier
The SIM, an integral part of any GSM terminal device, is a “smart card” that is programmed with subscriber
information:

The user information consists of an International Mobile Subscriber Identity (IMSI) number, which is
registered with the GSM provider, and an encryption Ki (pronounced "key"). This information
consists of a microprocessor and memory installed on a plastic card.
Note: The SIM is not provided with the Enfora Enabler EDG0208 module. The SIM must be obtained
from the GSM service provider and must be provisioned by the operator for data and/or voice. Always
take care to protect the SIM: the GSM terminal will not operate without the SIM installed.
The SIM provides the IMSI for authentication. To gain access to the GSM network, the network
must recognize the IMSI number, and the terminal must be able to properly decrypt the data sent
by the network. The SIM also serves as a buffer for SMS messages, storing the message for
transmission until a radio link is available and buffering received messages until retrieved.
6.8.1
SIM Integration for the Enfora Enabler EDG0208 Module
The Enabler EDG0208 default configuration does not include an on-board SIM carrier. Enfora provides a
separate product SKU for the Enabler EDG0208 module with the integrated SIM carrier.
6.8.2
Using a Remote SIM with the Enfora Enabler EDG0208 Module
The Enabler EDG0208 default configuration does not include an on-board SIM carrier. If the module is
going to be integrated using a remote SIM, the following guidelines are provided:

To utilize a remote SIM, the integrator must provide a suitable SIM connector on the Application.

The maximum distance from the Enabler EDG0208 to the remote SIM connector must not exceed
25.4 cm (10 inches).
Parameter
Parameter/Conditions
VDD
Supply Voltage: 1.8 V Mode + Active
Supply Voltage: 3 V Mode + Active
Supply Voltage: 1.8 V Mode + Sleep
Supply Voltage: 3 V Mode + Sleep
1.8 or 3 V Modes
IDD
EDG0208IG001
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MIN
1.7
2.75
1.7
2.75
TYP
1.8
2.85
1.83
2.9
MAX
1.95
3.0
1.95
3.1
20
UNIT
Vdc
Vdc
Vdc
Vdc
mA
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Integration Guide
Draft
Remote SIM Line
SIM_VDD
SIM_RST
SIM_CLK
SIM_I/O
GND
Description
Remote SIM power supply
Remote SIM reset
Remote SIM clock
Remote SIM serial data interface
Use module ground (GND) as Return for SIM Power & Data
<25.4 cm (10 in)
Remote SIM
Enabler II-E
SIM
Interface
SIM_VDD
SIM_RST
SIM_CLK
SIM_I/O
Figure 19 Remote SIM Interface

ESD Protection

15 kV Air Discharge

8 kV Contact Discharge
6.8.3
Remote SIM Component Information
A SIM carrier compatible for use on the Enabler EDG0208 is a JAE Plug-In SIM Card carrier with hinge;
JAE part number SF7W006S1BE1000. JAE Plug-in SIM Card with hinge cover SF7 Series.
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7.0 Modes of Operation
GSM/GPRS/EGPRS supports many optional services and modes. The Enfora Enabler EDG0208 module
supports the following services:

Circuit-switched data

Short-Message Services (SMS)

Class B/C GPRS Functionality

Voice communication

EGPRS
7.1 Enabling the Transmission Modes for the GSM/GPRS/EGPRS Services
Each of the GSM/GPRS/EGPRS services has two modes that can be enabled separately:

Mobile-originated (MO): allows the making of a service request (such as, making a telephone call or
sending an SMS)

Mobile-terminated (MT): allows receiving a service request (such as receiving a telephone call or an
SMS)
Note: Contact your local GSM operator to ensure that the services and modes have been provisioned
for the SIM.
7.2 Voice Communication
The Enfora Enabler EDG0208 module has full voice capabilities, provided the necessary connections have
been made for the speaker and microphone pins on the 60-pin I/O connector. The Enfora Enabler-IIE AT
Command Set Reference - EDG0208AT001 has the entire list of commands that can be used to control the
voice functionality. The quick start guide in this manual provides a basic command set that can be used to
initialize and test the voice functionality.
The Enfora Enabler EDG0208 module supports three standard vocoder compression algorithms for voice
communication: Full-Rate, Enhanced Full-Rate (EFR), and Half-rate (HR), and also provides support for the
Adaptive Multi-Rate (AMR) codec.
7.3 Circuit-Switched Data
In this mode, the Enfora Enabler EDG0208 module supports both of the connection modes of transmission
that are provided by GSM:

Non-Transparent mode delivers a constantly low error rate but with a non-guaranteed throughput or
delay. The Non-Transparent service provides a performance that is closest to using a modem over a
fixed Public Switched Telephone Network (PSTN) line.
Note: All GSM service providers may not support Transparent mode. In those cases, the Enfora
Enabler EDG0208 module can be configured to switch automatically to Non-Transparent mode.
This capability depends on the settings in the AT+CBST command.
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7.4 SMS: Short Message Services

Short Message Services (SMS) is a feature-rich GSM service. The Enfora Enabler EDG0208 module
can perform the following tasks:

Sending and receiving binary messages of up to 160 characters (7-bit characters)

Sending and receiving text messages of up to 140 bytes (8-bit data)

Submitting a SMS Protocol Data Unit (PDU) to a SMSC (Short Message Service Center) and storing a
copy of the PDU until either a report arrives from the network or a timer expires

Receiving a SMS PDU from a SMSC

Returning a delivery report to the network for a previously received message

Receiving a report from the network

Notifying the network when the module has sufficient memory capacity available to receive one or more
SMS messages (after the module had previously rejected a message because its memory capacity was
exceeded)
7.5 SMS Features Supported by the Enfora Enabler EDG0208 Module
The following list details the key characteristics and assumptions regarding the form of SMS supported in
the Enfora Enabler EDG0208 module.

Supports both mobile-originated (MO) and mobile-terminated (MT) SMS

Delivers the message to a telephone

Supports 8-bit data

Supports Message Class 0, Class 1, & Class 2

Provides a status report indicator

Allows the definition of a validity period

Provides the Service Center Time Stamp

Alerts the SMSC

USSD

Replace SMS
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8.0 SIM Operation
8.1 Provisioning the SIM
The SIM can support optional features or services. Most operators typically configure the SIM to
send/receive voice calls and to receive SMS; however, some may require an additional tariff to enable the
SIM to send SMS. The transmission of circuit switched and GPRS data are also additional services that
may be required to allow the service:

Mobile-originated (MO): allows making a service request (such as, making a call or sending an SMS)

Mobile-terminated (MT): allows receiving a service request (such as, receiving a phone call or an SMS)
It is imperative for the Enfora Enabler EDG0208 module that the SIM be configured for the optional services
that are required for the application.
8.2 GSM Services Supported by the Enfora Enabler EDG0208 Module
The Enfora Enabler EDG0208 module supports four GSM services (modes of operation) that must be
enabled by the operator:

Voice calls (MO and MT): requires a telephone number;

SMS (MO and MT): uses the telephone number for voice;

Circuit-switched data calls (MO and MT): requires a telephone number;

The GSM SIM can have multiple telephone numbers.
8.3 GPRS Services Supported by the Enfora Enabler EDG0208 Module
The Enfora Enabler EDG0208 module supports the following GPRS (modes of operation) that must be
enabled by the operator:

GPRS Packet Connectivity (MO and MT) with Both Dynamic and Static IP option;

GPRS SMS (MO and MT): uses the IP (Dynamic or Static) set by the operator;

Multiple APN Setting;

Quality of Service Options;

Multi-slot 10 Class of Service.
8.4 EGPRS Services Supported by the Enfora Enabler EDG0208 Module
The Enfora Enabler EDG0208 module supports the following EGPRS (modes of operation) that must be
enabled by the operator:

EGPRS Packet Connectivity (MO and MT) with Both Dynamic and Static IP option;

EGPRS SMS (MO and MT): uses the IP (Dynamic or Static) set by the operator;

Multiple APN Setting;

Quality of Service Options;
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
Multi-slot 10 Class of Service.
8.5 Selecting the Modes of Operation
When provisioning the SIM for the Enfora Enabler EDG0208 module, enable the following modes of
operation:

Voice calls: configure the SIM for both MO and MT service (to send and receive);

SMS: configure the SIM either for MT alone (to receive) or for both MO and MT (to send and receive);

Circuit Switched Data: configure the SIM either for MO alone (to send) or for both MO and MT (to send
and receive).
Voice
MO/MT
MO/MT
MO/MT
SMS
MT
MO/MT
MO/MT
EDG0208IG001
CS Data
MO
MO
MO/MT
GPRS
Function
Voice calls, receive SMS, make data calls
Voice calls, receive / send SMS, make data calls
Voice calls, receive / send SMS, make / receive data calls
(requires an additional data telephone number)
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9.0 Software Interface
9.1 Software Interface
The application sends commands to the Enfora Enabler EDG0208 module via the I/O signal connector.
These commands use the Enfora AT Command Set.
The Enfora Enabler EDG0208 module operates in one of the following modes:

Command mode: Used for configuring the Enfora Enabler EDG0208 module, for interrogating the GSM
network, and for placing and receiving calls. It uses the AT command set via the serial port for
communication.

On-line mode: Used after a circuit-switched data call has been established. Data is passed between
the Enfora Enabler EDG0208 module and the controlling application without command interpretation.
The only AT command that is interpreted in On-line mode is the +++ command. (This command places
the Enfora Enabler EDG0208 module in Command mode but does not terminate the circuit-switched
data call.)
The AT command driver of the Enfora Enabler EDG0208 module never exits the Command state, that is, it
never enters the “On-line” mode.

In the Command state, characters that are received from the Customer Premise Equipment (CPE) are
treated as AT commands by the Enfora Enabler EDG0208 module.

In response to the commands received from the CPE, the Enfora Enabler EDG0208 module sends
characters (AT commands) to the CPE.

Various events can also trigger the Enfora Enabler EDG0208 module to send characters (AT
commands) to the CPE.
9.2 Format for the AT Commands
The general format of the command line is:

AT
See AT Command Manual
0X0D
The prefix AT obtains synchronization, identifies the character parameters, and indicates that a command
may be in the following characters.
AT commands are not case sensitive: use either capital letters or lower-case letters for the AT command.
Note: Some AT Command parameter values ARE case sensitive and are documented in the
Enfora Enabler-IIE AT Command Set Reference - EDG0208AT001.
9.3 Enfora AT Command Set
For a full description of the AT commands, refer to the Enfora Enabler-IIE AT Command Set Reference EDG0208AT001.
Note: A command description that includes an asterisk (*) denotes that the GSM service
provider must enable supplementary services functionality before the command is
available.
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10.0 Setup and Initialization
10.1
General Setup
The data modem is controlled through the Modem RS232 port on the development board. Connect a ninepin straight through serial cable from the Modem RS232 connector to the serial port on the controlling
computer.
Hook up the power supply, connect the antenna, and install the SIM into the modem.
10.1.1
HyperTerminal Configuration for Enabler EDG0208
The following provides an example for setting up a Windows HyperTerminal session that can be used to
experiment with various configurations on the Enabler EDG0208 for controlling computer:
1. Select the connection interface, Direct to Com 1 (or whatever port is the serial port).
Figure 20 HyperTerminal Definition
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2. Configure the COM port as displayed below.
Figure 21 COM Port Settings
10.1.2
Initialization (AT Command Interface)
In the GSM vocabulary, a call from GSM mobile to the PSTN (Public Switched Telephone Network) is called
a "mobile-originated call" or "outgoing call". A call from the fixed network to a GSM mobile is called a
"mobile-terminated call" or "incoming call."
In the following examples, “Entry” refers to the application. The following convention describes the direction
of the data exchange:

The data exchange from the customer application to the Enfora Enabler EDG0208 module is
designated as:
Entry

The data exchange from the Enfora Enabler EDG0208 module to the customer application is
designated as:
Response
Note: With the exception of the +++ command (Online Escape Sequence), all commands must be
preceded by the AT attention code (or command prefix) and terminated by pressing the
character.
In the following examples, the and are intentionally omitted for clarity and space.
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10.1.3
Initial Response to the AT Command
After power is applied to the Enfora Enabler EDG0208 module, the module performs a power-up self-test.
The self-test completes within one (1) second. When queried with the AT command, the Enfora Enabler
EDG0208 module responds with one of the following result codes:

“OK” signifies that the Enfora Enabler EDG0208 module is ready, that it correctly interprets the AT
command, and that it has executed the command.

“ERROR” signifies that the Enfora Enabler EDG0208 module does not understand the command or that
the command is invalid.
Entry
Response
AT
OK
Command valid: module is ready
The Enfora Enabler EDG0208 module must be in AT Command mode (please refer to section 10.3 GPRS
Packet Examples for packet mode initialization and setup) when any command is entered (with the
exception of the online escape sequence). Commands entered when the module is in On-line mode are
treated as data, and are transmitted as such to the receiving module. (i.e. If the module is in PPP or SLIP
mode, AT commands cannot be entered.)
10.1.4
Sending an Initialization String to the Enfora Enabler EDG0208 Module
The following example provides the sample AT commands and responses for the following initialization
tasks:

Reset the module to the factory defaults;

Disable character echo;

Transmit Result Codes;

Set the module to Verbose mode (to display result codes as words);

Set the DCD to match the state of remote modem;

Ignore the DTR.
Entry
Response
Entry
Response
10.1.5
AT&FE0Q0V1&C1&d0
OK
ATSO=1
OK
Initialization string
Command is valid
Auto answer on 1st ring
Command is valid
Setting Up the Communication Mode for the Enfora Enabler EDG0208 Module
The following example sequence provides the AT command and response for setting the Enfora Enabler
EDG0208 module for full phone functionality, automated operator selection, 9600 baud, non-transparent
mode.
Entry
Response
Entry
Response
Entry
Response
AT+CFUN=1
OK
AT+COPS=0
OK
AT+CBST=7,0,1
OK
EDG0208IG001
FULL phone functionality
Command is valid
Automatic operator selection
Command is valid
9600 baud, non-transparent mode
Command is valid
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10.1.6
Querying the Status of the Enfora Enabler EDG0208 Module
This topic is addressed in the Enfora Application Note GSM0000AN006 – Enabler-G Module Status
Query.
10.1.7
Setting Module Reporting Parameters for GSM and GPRS
This topic is addressed in the Enfora Application Note GSM0000AN007 - Enabler-G Status Reporting.
10.2
GSM/SMS Examples
10.2.1
Initialize the Enfora Enabler EDG0208 Module to Send and Receive SMS Text Messages
This topic is addressed in the Enfora Application Note GSM0000AN004 - Enabler-G SMS Configuration
and Use.
10.2.2
Managing SMS Messages
This topic is addressed in the Enfora Application Note GSM0000AN004 - Enabler-G SMS Configuration
and Use.
10.2.3
Data Call Configuration
This topic is addressed in the Enfora Application Note GSM0000AN003 - Enabler-G Data Circuit Switched
Call Configuration and Use.
10.2.4
Voice Call Configuration
This topic is addressed in the Enfora Application Note GSM0000AN003 - Enabler-G Data Circuit Switched
Call Configuration and Use.
10.3
GPRS Packet Examples
10.3.1
GPRS/EGPRS ATTACH and ACTIVATE
This topic is addressed in the Enfora Application Note GSM0000AN005 - Enabler-G Automated Network
Connection Configuration and Use.
10.3.2
Windows PPP Setup
The Enabler EDG0208 module can be used in a Windows operating system environment as a standard
serial modem device. The required setup and configuration process is contained in Enfora Application
Notes GSM0000AN001 - Enabler-G PPP Configuration for Windows 98 and GSM0000AN002 - EnablerG PPP Configuration for Windows 2000.
EDG0208IG001
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11.0 Integration and Testing
The Enfora Enabler EDG0208 module has been designed to minimize the amount of time required for
integration and testing the application. By being fully certified by the appropriate bodies, the Enfora Enabler
EDG0208 module provides seamless integration into the GSM network.
The integration issues for the application can be narrowed to the utilization of the AT commands and the use
of the GSM functionality. Coverage and signal quality may be evaluated by using the RSSI commands.
Additional network information can be determined by using AT commands.
Integration of the GPRS Packet capabilities is more complicated than using AT command sequences to
initiate the connection and begin transferring data. The following Application Notes should be used to
integrate the GPRS packet capabilities:
GSM0000AN002 - Enabler-G PPP Configuration for Windows 2000
GSM0000AN008 - Enabler-G PPP Configuration for Windows XP
GSM0000AN010 - Enabler-G PPP Configuration for PocketPC 2002
GSM0000AN005 - Enabler-G Automated Network Connection Configuration and Use
11.1
Integrating the Enfora Enabler EDG0208 Module
Note: Generally, all interfaces that are externally available to the end user need to be ESDconditioned and terminated in some way. Many of these interfaces should not be connected with
power applied.
At the highest level, this is done using some type of GSM test equipment (such as, Racal 6103E), a
computer, and a serial interface tester. The GSM test equipment must be able to simulate a GSM
call and measure the key parameters related to the module.
Additionally, the serial interfaces and some minimal SIM functionality can be verified by sending AT
commands to the Enfora Enabler EDG0208 module.
All of these conditions need to be verified at ambient as well as extreme conditions.
As part of integration, each of the following interfaces must be verified:
Information
SIM
Recommendations
The maximum line length of the SIM interface is 25.4 cm (10 inches).
The Enfora Enabler EDG0208 module takes care of the signal conditioning
As a minimum, an external application with a remote SIM will require a standard SIM
carrier.
Filter the SIM VCC signal with a 10 uf / 10 V capacitor to help with the line length.
Primary and
secondary serial
Interfaces
The Enfora Enabler EDG0208 module uses a 3 V digital interface. The RS-232
signals must be level-shifted to get standard levels. These signals must be ESDprotected.
Reset Interface
Audio/Microphone
Interface
Resets the Enfora Enabler EDG0208 module when tied low.
Preliminary balancing on Enfora Enabler EDG0208 module.
Maximum length TBD
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Testing the following parameters verifies the RF parameters that may be affected by such things as RF
path loss, power supply noise, and external interference.
Functionality
Transmitter
Receiver
Parameters to be Tested
Frequency Error
Phase Error
PA Ramp
Modulation Spectrum
RF Power Steps
Timing Advance
BER Based RX Tests (RXQUAL RXLEV)
BER Based Sensitivity
Testing the following GSM functionality verifies proper network communication.
Functionality
Transmitter
Parameters to be Tested
Frequency Error
Phase Error
PA Ramp
Modulation Spectrum
RF Power Steps
Timing Advance
Receiver
BER Based RX Tests (RXQUAL RXLEV)
BER Based Sensitivity
Testing the following GSM functionality verifies proper network communication.
Functionality
Network Function
EDG0208IG001
Parameters to be Tested
Synchronization and registration
Call set-up and call termination (both MT and MO calls)
SMS and/or data calls
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11.2
APPENDIX A - LIMITED WARRANTY
11.2.1
Scope
Enfora warrants to the original purchaser of the product that, for a period of one (1) year from the date
of product purchase, the product hardware, when used in conjunction with any associated software
(including any firmware and applications) supplied by Enfora, will be free from defects in material or
workmanship under normal operation. Enfora further warrants to such original purchaser that, for a
period of ninety (90) days from the date of product purchase, any software associated with the product
will perform substantially in accordance with the user documentation provided by Enfora, and any
software media provided with the product will be free from defects in material or workmanship under
normal operation. Enfora does not warrant that (a) the product hardware or any associated software
will meet the purchaser’s requirements, (b) that the operation of the product hardware or software will
be uninterrupted or error-free, or (c) the product, when integrated in, or combined with, other products
or software not supplied by Enfora, will continue to perform substantially in accordance with the user
documentation. This limited warranty is only for the benefit of the original purchaser and is not
transferable. No other party may act on behalf of such purchaser for the purpose of claiming or
exercising any rights or benefits under or in connection with this limited warranty except as may be
provided in a written agreement between Enfora and such other party.
11.2.2
Hardware
During the warranty period applicable to the product hardware, Enfora, at its expense and in its sole
discretion, will repair or replace the product if it is determined to have a covered hardware defect,
provided that the purchaser first notifies Enfora of any such defect, furnishes Enfora with a proof of
purchase, requests and obtains a return merchandize authorization (RMA) number from Enfora, and
returns the product, shipping charges prepaid, to Enfora under that RMA. If, upon reasonable
examination of the returned product, Enfora does not substantiate the defect claimed by purchaser, or
determines that the defect is not covered under this limited warranty, Enfora will not be required to
repair or replace the product, but may instead reship the product to the purchaser, in which case
purchaser shall be responsible for paying Enfora’s usual charges for unpacking, testing, and repacking
the product for reshipment to purchaser. Purchaser shall bear the risk of loss or damage in transit to
any product returned by purchaser to Enfora, or any returned product not found to be defective or
covered under this warranty and reshipped by Enfora to purchaser. In the event Enfora repairs or
replaces a defective product, the repaired or replacement product will be covered under this limited
warranty for the remainder of the original warranty period on the defective product. If Enfora is unable
to repair or replace a defective product, the purchaser’s exclusive remedy shall be a refund of the
original purchase price. Any returned and replaced product, or any product for which Enfora has
refunded the original purchase price, becomes the property of Enfora.
11.2.3
Software
During the warranty period applicable to the software or its media, Enfora, at its expense, will replace
any defective software or media if purchaser gives written notification of the defect to the technical
support department at Enfora during the applicable warranty period. Enfora will ship or otherwise
transmit the replacement software or media to purchaser, and purchaser shall be responsible for
incorporating any replacement software in the product. Enfora shall not have any obligation to provide
any software bug fixes, upgrades or new releases except as may be necessary to correct any covered
defect of which purchaser notifies Enfora in writing during the applicable warranty period. Enfora, from
time to time and in its sole discretion, may make available for download on its website
(www.enfora.com) certain software bug fixes, upgrades or new releases for the product. The purchaser
should periodically visit such website to determine whether any such bug fixes, upgrades or new
releases have become available. Download and use of any such bug fixes, upgrades or new releases
is subject to all of the applicable terms and conditions of Enfora’s technical support policy as posted and
updated on its website.
EDG0208IG001
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Draft
Exceptions and Disclaimers
Enfora shall have no obligation under this limited warranty for (a) normal wear and tear, (b) the cost of
procurement of substitute products or (c) any defect that is (i) discovered by purchaser during the warranty
period but purchaser does not notify or request an RMA number from Enfora, as required above, until after
the end of the warranty period, (ii) caused by any accident, misuse, abuse, improper installation, handling or
testing, or unauthorized repair or modification of the product, (iii) caused by use of any software other than
any software supplied by Enfora, or by use of the product other than in accordance with its documentation or
(iv) the result of electrostatic discharge, electrical surge, fire, flood or similar causes. Unless otherwise
provided in a written agreement between the purchaser and Enfora, the purchaser shall be solely
responsible for the proper configuration, testing and verification of the product prior to deployment in the
field.
ENFORA’S SOLE RESPONSIBILITY AND PURCHASER’S SOLE REMEDY UNDER
THIS LIMITED WARRANTY SHALL BE TO REPAIR OR REPLACE THE PRODUCT
HARDWARE, SOFTWARE OR SOFTWARE MEDIA (OR IF REPAIR OR
REPLACEMENT IS NOT POSSIBLE, OBTAIN A REFUND OF THE PURCHASE
PRICE) AS PROVIDED ABOVE. ENFORA EXPRESSLY DISCLAIMS ALL OTHER
WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING WITHOUT
LIMITATION
ANY
IMPLIED
WARRANTIES
OF
NON-INFRINGEMENT,
MERCHANTABILITY, SATISFACTORY PERFORMANCE AND FITNESS FOR A
PARTICULAR PURPOSE. IN NO EVENT SHALL ENFORA BE LIABLE FOR ANY
INDIRECT, SPECIAL, EXEMPLARY, INCIDENTAL OR CONSEQUENTIAL DAMAGES
(INCLUDING WITHOUT LIMITATION LOSS OR INTERRUPTION OF USE, DATA,
REVENUES OR PROFITS) RESULTING FROM A BREACH OF THIS WARRANTY OR
BASED ON ANY OTHER LEGAL THEORY, EVEN IF ENFORA HAS BEEN ADVISED
OF THE POSSIBILITY OR LIKELIHOOD OF SUCH DAMAGES.
11.2.4
Other Considerations
Some jurisdictions may require a longer warranty period than specified above and, accordingly,
for products sold in those jurisdictions the applicable warranty period shall be extended as
required under the laws of those jurisdictions. Furthermore, some jurisdictions may not allow the
disclaimer of implied warranties or the exclusion or limitation of incidental or consequential
damages, so the above disclaimer, limitation or exclusion may not apply to products sold in those
jurisdictions. This limited warranty gives the purchaser specific legal rights and the purchaser
may have other legal rights that vary from jurisdiction to jurisdiction.
In some instances, certain aspects of the product warranty may also be covered in a separate
written agreement between Enfora and the distributor or reseller, if any, from whom purchaser
purchased the product. That agreement may provide, for example, a different product return
procedure that may also be available to purchaser (e.g., the product may be returned to Enfora
through that distributor or reseller).
Governing Law
This limited warranty shall be governed by the laws of the State of Texas, United States
of America, without regard to conflict of laws principles. This limited warranty shall not be
governed in any respect by the United Nations Convention on Contracts for the
International Sale of Goods.
EDG0208IG001
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Draft
11.3
APPENDIX B - Regulations and Compliance
This section summarizes the responsibilities and actions required of manufacturers and integrators who
incorporate OEM versions of the Enfora Enabler IIE module into their products. In certain situations and
applications, these products will require additional FCC, CE, GCF, PTCRB or other regulatory approvals
prior to sale or operation. Appropriate instructions, documentation and labels are required for all products.
For more information concerning regulatory requirements, please contact Enfora.
11.3.1
GCF/PTCRB Approval (Formerly FTA)
The Enfora Enabler IIE module is type approved in accordance with the requirements of and through
the procedures set forth by the GSM industry association. The relevant conformance specification is
3GPP TS 51010-1. Any OEM changes in the SIM interface, antenna port, software or the physical
makeup of the unit may require an incremental FTA to ensure continued compliance with the abovementioned standard. For more information concerning type approval, please contact Enfora.
11.3.2
Electromagnetic Compatibility (EMC) and Safety Requirements
The Enfora Enabler IIE module has been tested and approved for application in the United States of
America (US) and the European Union (EU). The compliance details for each of these markets follow.
For other markets, additional or alternative regulatory approvals may be required. Always ensure that
all rules and regulations are complied with in every country that the OEM application is to be operated.
Regardless of the country or market, the OEM must comply with all applicable regulatory requirements.
11.3.3
EMC/Safety Requirements for the USA
Compliance to the US rules and regulations falls under two categories:

Radio approvals: Federal Communications Commission (FCC)

Transmitter: FCC Rules, Part 22 & 24

Unintentional emission: FCC Rules, Part 15
Although the Enfora Enabler IIE module has been authorized by the FCC and listed as a component by
an NRTL, products and applications that incorporate the Enfora Enabler IIE module will require final
verification of EM emission and product safety approval.
Note: Particular attention should be made to the following statements regarding RF Exposure:
11.3.4
Human Exposure Compliance Statement
EDG0208 GSM/GPRS Module
Enfora certifies that the Enfora Enabler IIE 850/900/1800/1900 MHz GSM Radio Module (FCC ID:
MIV/EDG0208) complies with the RF hazard requirements applicable to broadband PCS equipment
operating under the authority of 47 CFR Part 24, Subpart E and Part 22 of the FCC Rules and
Regulations. This certification is contingent upon installation, operation and use of the Enfora Enabler
IIE module and its host product in accordance with all instructions provided to both the OEM and end
user. When installed and operated in a manner consistent with the instructions provided, the Enfora
Enabler IIE module meets the maximum permissible exposure (MPE) limits for general population /
uncontrolled exposure at defined in Section 1.1310 of the FCC Rules and Regulations.
Note: Installation and operation of this equipment must comply with all applicable FCC Rules and
Regulations, including those that implement the National Environmental Policy Act of 1969 (Part 1,
Subpart I), with specific regard to antenna sitting and human exposure to radio frequency radiation.
For further guidance, consult the FCC Rules, a certified FCC test house, or Enfora.
11.3.5
Compliance with FCC Regulations
EDG0208IG001
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The Federal Communications Commission (FCC) is the agency of the Federal Government that
oversees all non-governmental radio frequency transmitters that operate within the United States.
Unintentional emissions from digital devices are regulated by Part 15 of the FCC Rules and
Regulations, which distinguishes between the environments in which these devices may operate.
Intentional radiators operating as a GSM-1900 radio transmitter are regulated under Part 22 & 24,
Subpart E—Broadband PCS of the FCC Rules and Regulations.
11.3.6
Unintentional Radiators, Part 15
Equipment designated as Class A is intended for use in a commercial, industrial or business
environment. The Enfora Enabler IIE module has been tested and found to comply with the limits for a
Class A digital device and can be integrated into equipment or applications intended for use in
commercial, industrial or business environments.
The following statement must be included in the user manual for such products:
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which case the
user will be required to correct the interference at his own expense.
Equipment intended for use in a residential environment (not-withstanding use in commercial, industrial
or business environments) is designated as Class B. The Enfora Enabler IIE module has been tested
and found to comply with the limits for a Class B digital device and can be integrated into equipment or
applications intended for use in residential environments.
The following statement must be included in the user manual for such products:
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on the user is
encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.

Consult the dealer or an experienced radio/TV technician for help.

11.3.7
Intentional Radiators, Part 22 & 24
Products incorporating the Enfora Enabler IIE transceiver operate as Personal Communications
Services (PCS) devices under the authority of Part 22 & Part 24, Subpart E—Broadband PCS, of the
FCC Rules and Regulations. All such transmitters must be authorized by the FCC through its
Certification process, as detailed in Part 2, Subpart J - Equipment Authorization Procedures. Through
the Certification process, the FCC verifies that the product complies with all applicable regulatory and
technical requirements, including those that address human exposure to radio frequency radiation. In
general, radio frequency transmitters cannot be sold or operated in the US prior to FCC approval.
EDG0208IG001
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11.3.8
Instructions to the Original Equipment Manufacturer (OEM)
To comply with the requirements of the National Environmental Policy Act (NEPA) of 1969, operation of
an FCC-regulated transmitter may not result in human exposure to radio frequency radiation in excess
of the applicable health and safety guidelines established by the FCC. Further information on RF
exposure issues may be found in the FCC's Office of Engineering and Technology (OET) Bulletin
Number 65, "Evaluating Compliance with FCC Guidelines for Human Exposure to Radio Frequency
Electromagnetic Fields" and Supplement C, "Additional Information for Evaluating Compliance of Mobile
and Portable devices with FCC Limits for Human Exposure to Radio Frequency Emissions.” Both of
these documents are available via the Internet at the OET web site: http://www.fcc.gov/oet
The Enfora Enabler IIE products are GSM radio transceivers, which operate under the authority of 47
CFR Part 24, Subpart E and Part 22 of the FCC Rules and Regulations. When installed and operated
in accordance with the instructions provided in this manual, these devices comply with current FCC
regulations regarding human exposure to radio frequency radiation.
The following installation and operation restrictions apply to all Enfora Enabler IIE products:

This device may only be used in fixed and mobile applications.

Portable applications, as defined by the FCC, are prohibited.

The use of this device for desktop and other applications where the antenna can easily be
relocated are considered by the FCC to be mobile applications.

A separation distance of at least 20 cm (7.87 inches) between the antenna and the body
of the user and other persons must be maintained at all times

End products must provide instructions to ensure compliance with radio frequency
radiation exposure requirements.

A warning label visible to all persons exposed to the antenna and identical to that
described in this manual must be displayed on or next to the antenna.

Separate FCC approval for RF exposure compliance is required for end products that do
not meet these conditions.
EDG0208IG001
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Note: Additional care must be taken by the installer and/or user of the Enfora Enabler IIE products
to ensure proper antenna selection and installation. Adherence to the above conditions is
necessary to comply with FCC requirements for safe operation regarding exposure to RF radiation.
Depending upon the application and type of product into which the Enfora Enabler IIE module has
been incorporated, specific OEM actions and responsibilities required to meet these conditions
vary. However, in all cases the primary concern is to ensure compliance with current FCC
guidelines and regulations that limit human exposure to radio frequency radiation.
Definitions
For the purpose of determining compliance with current FCC rules addressing human
exposure to radio frequency radiation, the FCC has established the following three
categories of transmitting devices:
EDG0208IG001

Portable Devices – devices where the antenna is located within 20 cm (7.87
inches) of any person, including the user, if applicable. Portable devices
operating under the authority of Part 22 or 24 (broadband PCS) are limited to a
maximum of 2 W EIRP.

Mobile Devices – devices designed to be used in other than fixed locations and
generally such that the antenna is located at a minimum of 20 cm (7.87 inches)
from any person, including the user, if applicable. Mobile devices operating
under the authority of Part 22 or 24 (broadband PCS) are limited to a maximum
of 2 W EIRP.

Fixed devices – devices in which the antenna, either integral to the product or
remotely located, is physically secured at one location and is not able to be easily
moved to another location. The antenna for a fixed device is mounted on an
outdoor permanent structure with a minimum separation distance of 2 meters (79
inches)
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11.3.9
OEM Responsibilities for All Products Containing the Enabler IIE module
In addition to any other regulatory requirements, OEMs and integrators must include or provide the
following information, instructions, warnings and labels with any device or product into which the
Enfora Enabler IIE GSM1900 GSM transceiver has been incorporated:
Information
Detailed Operating
Instructions for
ensuring compliance
with current FCC
guidelines which limit
human exposure to
radio frequency
radiation
Antenna Avoidance
Label
Human Exposure
Compliance
Statement
Description
The OEM must provide an operating/installation manual with the final product which clearly indicates
that these operating conditions and restrictions must be observed at all times to ensure compliance
with current FCC guidelines which limit human exposure to radio frequency radiation.
20 cm (7.87 inch) separation distance between the antenna and all persons must be maintained at all
times for all fixed and mobile products and applications
Portable devices and applications are prohibited unless such devices and products are specifically
authorized by the FCC
Maximum antenna gain is limited to 3 dBi @GSM1900 and 6.5dBi @GSM850 in mobile products and
applications
Attach the following warning label directly to
or displayed next to the antenna.
Furthermore, this label must be visible to
and easily readable by all persons in the
immediate vicinity of the antenna
Include the following statement in the
instruction / operation manual.
EDG0208IG001
Page 55
WARNING
To comply with FCC RF exposure requirements, a
separation distance of 20 cm (7.87”) or more must
be maintained between this antenna and all persons
Enfora certifies that the Enfora Enabler IIE GSM Radio
Module (FCC ID: MIVEDG0208) complies with the RF
hazard requirements applicable to broadband PCS
equipment operating under the authority of 47 CFR Part
22 or Part 24, Subpart E of the FCC Rules and
Regulations.
This certification is contingent upon installation,
operation and use of the
Enfora Enabler IIE module and its host product in
accordance with all instructions provided to both the
OEM and end used. When installed and operated in a
manner consistent with the instructions provided, the
Enfora Enabler IIE module meets the maximum
permissible exposure (MPE) limits for general
population / uncontrolled exposure at defined in Section
1.1310 of the FCC Rules and Regulations.
Rev. 1.03 –4/19/07
Integration Guide
Draft
11.3.10 Specific OEM Responsibilities for Portable Products and Applications
Each device or product, into which the Enfora Enabler IIE PCS-1900 GSM transceiver has been
incorporated, and which is intended to be used in an application that meets the definition of
"portable" MUST be separately authorized by the FCC for the purposes of determining compliance
with current FCC guidelines limiting human exposure to radio frequency radiation.
Portable devices must be evaluated for RF exposure based on Specific Absorption Rate (SAR)
limits; further information on such evaluations are available from the FCC via the Internet.
11.3.11 Specific OEM Responsibilities for Mobile Products and Applications
Separate or additional FCC approvals are NOT required for devices or products, into which the
Enfora Enabler IIE PCS-1900 GSM transceiver has been incorporated, that are used in
applications that meet the definition of "mobile."
For all end products, the OEM or integrator must provide instructions, warnings and labels to
ensure that the product complies with current FCC guidelines limiting human exposure to radio
frequency radiation.
11.3.12 Specific OEM Responsibilities for Fixed Products and Applications
Separate or additional FCC approvals are not required for devices or products, into which the
Enfora Enabler IIE GSM transceiver has been incorporated, that are used in applications that meet
the definition of "fixed.”
For all end products, the OEM or integrator must provide the instructions, warnings and labels to
ensure that the product complies with current FCC guidelines limiting human exposure to radio
frequency radiation.
11.3.13 EMC/Safety Requirements for the Countries of the European Union (EU)
The European Union (EU) is comprised of fifteen countries that follow a harmonized set of
standards, utilizing the CE mark as a uniform mark of acceptance.
11.3.14 EMC/Safety Requirements for Other Countries
In most other countries that have not been listed above there are similar rules and regulations that
must be met for importing the Enfora Enabler IIE module. Each may require a different mark of
approval (for example, the CB Scheme) as an acceptance requirement. For each of these cases
the country should identified, and the appropriate steps should be taken to meet the requirements
set forth in the intended market.
EDG0208IG001
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11.4
APPENDIX C - Glossary and Acronyms
API
App Application
AT Command Set
BER
Bit Error Rate
CMUX
CPE
Customer Premise Equipment
CSD
Circuit Switched Data
dBi
DCE
Data Communications
Equipment
DCS
Digital Cellular System
DTE
Data Terminal Equipment
EFR
Enhanced Full Rate
EIR
Equipment Identity Register
EIRP
Equivalent Isotropic Radiated
Power
EMC
Electromagnetic Compatibility
ESD
Electrostatic Discharge
EU
European Union
FTA
Full Type Approval
GPRS
General Packet Radio Service
GSM
Global System for Mobile
Communications
HLR
Home Location Register
Application Programming Interface.
Refers to the Application which sends or receives commands/responses from the
Enfora Enabler IIE Module
Commands issued by intelligent device to a modem to perform functions, such as to
initiate call, to answer call, or to transmit data.
Bit Error Rate
Multiplexer protocol that operates between an MS and a TE and allows a number of
simultaneous sessions over a normal serial asynchronous interface
A terminal in fixed location on the customer’s premises.
Data link from a terminal through the network allowing real-time, duplex connectivity
at 9600 bytes/second.
Decibels referenced to an isotropic radiator
Data Communications Equipment
A collection of services and capabilities providing flexibility of access and mobility
through a combination of wireless and wire-line networks, utilizing the 1800 MHz
bandwidth.
Data Terminal Equipment
Voice (vocoder) compression algorithms which offer the highest quality voice
communication.
A database used to store International Mobile Equipment Identity (IMEI) of a locally
issued terminal.
In a given direction, the gain of a transmitting antenna multiplied by the net power
accepted by the antenna from the connected transmitter.
The ability of a device to function satisfactorily in its electromagnetic environment
without inducing intolerable disturbance to that environment (or to other devices)
Static electricity that can damage electronic equipment.
An organization of 15 European states whose purpose is to organize relations
between the Member States and between their peoples.
GSM Full Type Approval
Standard for packet communications utilizing Global Standard for Mobility (GSM)
infrastructure.
Standard for digital communications. Allows consistent communications in various
parts of the world despite variations in RF spectrum allocations. Transferring the SIM
(see below) permits users to roam by changing terminal equipment.
Stores the identity and user data for all subscribers belonging to the area of the
related MSC.
IMEI
International Mobile
Equipment Identity
IMSI
International Mobile
Subscriber Identification
Ki
A unique number for each GSM Terminal tracked by the GSM operators in their
Equipment Identity Register (EIR) database.
MO
Mobile Originated
MT
Mobile Terminated
MSC
Any GSM/GPRS service originated at the mobile terminal.
EDG0208IG001
A unique number identifying the subscriber stored in the SIM card. Number is used
in conjunction with the network for call routing.
A secret code used in authentication and encryption by the terminal.
Any GSM/GPRS service originated from or routed through the network and sent to
the mobile terminal.
The central switch of the GSM network. Performs call routing, collects call detail
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Mobile Switching Center
Non-Transparent Mode
NRTL
Nationally Recognized Test
Laboratory
OEM
PA
Packet
PCS
PDA
PDU
PPP
SIM
SMS
SMSC
SUPL
UDP
EDG0208IG001
records for billing, and supervises system operations.
Delivers a constantly low error rate but with a non-guaranteed throughput or delay.
The Non-Transparent service provides a performance that is closest to using a
modem over a fixed PSTN line.
OSHA-approved Nationally Recognized Testing Laboratory
Original Equipment Manufacturer.
Power Amplifier.
A collection of data transmitted over a digital network in a burst.
Personal Communication Services.
Personal Digital Assistant.
Packet Data Unit.
Point-To-Point Protocol.
Subscriber Identity Module.
Short Message Service.
Short Message Service Center.
Secure User Plane Location
User Datagram Protocol.
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11.5
APPENDIX D – Tables And Figures
TABLES
Table 1 - Enabler EDG0208 Key Features...................................................................................................... 6
Table 2 - Enabler EDG0208 Pin Assignments .............................................................................................. 28
FIGURES
Figure 1 - Example of good ground plane for GSM modules .......................................................................... 9
Figure 2 - Example of a POOR RF Thermal Relief ....................................................................................... 10
Figure 3 - Example of a GOOD RF Thermal Relief ....................................................................................... 11
Figure 4 - Example of Vbat Voltage Droop ................................................................................................... 12
Figure 5 - Example of GOOD Vbat layout ..................................................................................................... 13
Figure 6 - Audio Reference Design Schematic ............................................................................................. 14
Figure 7 Enabler EDG0208 Module Block Diagram ...................................................................................... 15
Figure 8 – Front of EDG0208-00 & -01 ......................................................................................................... 19
Figure 9 – Back of EDG0208-00 ................................................................................................................... 19
Figure 10 - I/O, RF Connector, & Mounting Tabs.......................................................................................... 20
Figure 11 – Back of EDG0208-01 ................................................................................................................. 21
Figure 12 - EDG0208-01 Side View (mm)..................................................................................................... 22
Figure 13 - Back of EDG0208-01 .................................................................................................................. 23
Figure 14 – Front of EDG0208-02................................................................................................................. 24
Figure 15 – Enabler II-E Mounting ................................................................................................................ 25
Figure 16 Ring Indicate Timing ..................................................................................................................... 30
Figure 17 Enabler EDG0208 Serial Interface ................................................................................................ 32
Figure 18 Audio Reference ........................................................................................................................... 35
Figure 19 Remote SIM Interface ................................................................................................................... 37
Figure 20 HyperTerminal Definition .............................................................................................................. 43
Figure 21 COM Port Settings ........................................................................................................................ 44
EDG0208IG001
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11.6
APPENDIX E - Contacting Enfora
For technical support and customer service dealing with the modem itself,
contact the company where you purchased the product. If you purchased the
product directly from Enfora, visit the SUPPORT page on the Enfora website:
http://www.enfora.com.
EDG0208IG001
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