Connected AG21 GPRS GPS Tracker User Manual

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Document ID	3104674
Application ID	uGzaPtMbxOfr4x2dA1ItEw==
Document Description	User manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	91.16kB (1139472 bits)
Date Submitted	2016-08-19 00:00:00
Date Available	2016-08-19 00:00:00
Creation Date	2016-08-04 10:26:33
Producing Software	Microsoft® Word 2010
Document Lastmod	2016-08-16 15:28:31
Document Title	User manual
Document Creator	Microsoft® Word 2010
Document Author:	Rennan Zhao

User Manual
For the
AR-2GM
Vehicle Tracking Device
April 20, 2016
R1.1
The information presented in this document is strictly confidential and contains trade secrets
and other confidential information that are the exclusive property of Connected Holdings
Author
Revision
Changes
Date
Hao
1.1
Initial version
2016-07-28
© 2016 Connected Holdings LLC
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Contents
1 Introduction
2 Hardware Design
2.1 Basic Hardware
2.2 Basic RF Performance
2.3 Certification and Safety
3 Software Features
3.1 Basic Software
3.2 Remote Update
3.3 Power Modes
3.4 AT Command
Event Setting Commands
Action Commands
File Update Commands
Periodic Action Commands (with Events)
Configuration Commands
Communication related settings
Protocol related settings
Drive Trip related settings
Peripheral related settings
Maintenance report settings
Miscellaneous settings
Information Commands
Configuration reading commands
Information commands
3.5 Report
Report Queuing
Ack’ed Mode
Event Report Format
3.6 Reset
3.6.1 Context Preservation
3.7 Startup Banner
4 Test Method
4.1 Hardware
4.2 Software Test
Mechanical Structure(mm)
FCC Statement
RF Exposure Warning Statements:
IC STATEMENT
© 2016 Connected Holdings LLC
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1 Introduction
The AR-2GM is a self-Contained vehicle tracking device that combines GPS location with
GSM/GPRS connectivity.
The AR-2GM appears to a user or a server application as a single endpoint device. It can be
queried, updated and configured either through a serial connection, or an over the air GPRS
IP connection, or through SMS messaging. The AR-2GM presents itself over these
connections as an enhanced cellular modem with attached functional elements. These
elements include:
 GPS location engine
 2 General Purpose Bidirectional I/O (GPIO) pins
 1 Relay drive pin output
 Serial UART port
 Input voltage monitor (optional)
 Timers
 Watchdog lockup protection (Dedicated watchdog circuit is optional)
 Factory load option for motion detection
Access to these elements and general purpose interfaces is done through an extended AT
command set as defined herein.
Application scene:
This product will be designed based on the 2G wireless data/MT6261 Baseband chipset,
which includes GPS functionality, ARM CPU and GPRS protocol. This baseband internal
connection 4M serial flash, GSM 850M/1900M RF Transceiver &GPS receiver, and RF Front
end circuit.
The device will use one dual band antenna（GSM850&PCS1900）and one dedicate
GPS antenna.
© 2016 Connected Holdings LLC
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2 Hardware Design
2.1
Basic Hardware
Items
Requirement
Baseband Chipset
RF 2G Transceiver
Air Interface
Frequency
MT6261D
AP6682
Support for Class 12 GPRS, GPS
2G band support : 850MHz &
1.9GHz Support for 12 class GPRS
Internal Antenna [850M&1900M]
Dedicate high performance ceramic antenna
No-UIM mode, GSM card connector optional
UART TX
UART RX
12V DC Input（1A current）
Relay Drive (12V Output ,500mA current)
GPIO1
GPIO2
internal analog input scaled (Optional)
Supported
No
Supported
Optional（GPS/Sensor）
2 LED Supported
2 LEDs(one is RED，one is Green)
Built in battery（80MAH Lion）
4 hours
No
8 colors
8 pin
< 5Watts
Antenna
GPS Antenna
UIM requirement
Interface
Battery Monitor
Build in battery manager
Dedicate Timers
Watchdog
Motion Detect
LED
Battery
Working Time
Power switch
Power Cable color
Power Cable connector type
Power Consumption
The AR-2GM provides support for specialized hardware features through extended AT
commands. The features supported include the following.
GPS
The major functionality of the GPS module is to compute the correlation results between the
incoming signal and the selected PRN code based on certain Carrier Doppler Frequency,
Code Doppler Frequency, code phase, carrier phase, and the particular satellite the module is
tracking or acquiring.
GPIO
Two GPIO pins, GP1 and GP2, are presented to the external environment on the main
© 2016 Connected Holdings LLC
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connector. They are general purpose bidirectional lines capable of providing system interrupts
to generate a report or drive logic levels to external devices. These lines are 2.8V logic level
and are 16V tolerant. These pins default to input. GP1 is pulled down representing 0 when
disconnected; GP2 is pulled up representing logical 1 when disconnected. They should be
asserted to a known value if used. GP1 is intended to use for Ignition Sensing.
LED’s
Two LED status indicators are provided to verify correct installation and operation. The status
LEDs are color coded and directly convey the status of the cellular and GPS subsystems as
described in the table below. Their valid operation also indicates operational status and
power.
LED
Function
Status
Red
GPS
On: GPS satellites acquired and Locked
Flash Slow: GPS satellite search is in progress
Off: No power or GPS subsystem fault
Green
GSM/GPRS On: Indicates GPRS connection is made
Connection
Flash Slow: GPRS subsystem initialized but no connection
Flash Fast: GPRS initialization in process
Off: No power or GSM subsystem fault
The AR-2GM provides user control allowing the LEDs to be extinguished once installation is
verified. This feature reduces power and further conceals the AR-2GM Tracker from
untrained parties wishing to defeat its operation.
UART
A UART port is provided for AT command and data interaction and optionally for application
specific control.
Relay Driver
A 500mA sink capable output pin is provided. This pin is meant to drive a relay coil indented
to interrupt the starter solenoid relay for the ignition circuit to a car.
Battery Monitor
The battery monitor is internal analog input scaled such that the DC value of the power input
pin to the AR-2GM system is measured. This value is scaled to span the most significant 8
bits of the A/D and consequently covers a scale from 0 to 25.5 Volts.
Timers
Timers resident on the GSM baseband chip generate periodic interrupts for power down
wakeup, watchdog support, report generation and other timer related functions. Report timers
are supported by related AT command and cause generation of periodic reports.
Watchdog
MT6261D chipset provide internal software Watchdog, and a physically dedicate Watchdog
© 2016 Connected Holdings LLC
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circuit requirement is optional.
Motion Detect (Option)
A factory populates option for motion detector is provided. If populated at the time the
AR-2GM is manufactured, this option will work with firmware power down options to keep
the AR-2GM in a very low power down state until motion is detected. Upon wakening, a
report can then be generated.
2.2
Basic RF Performance
Items
Requirements
Remark
TRP free space
>= 20 dBm
TRP free space
TIS free space
<= -104dBm
TIS free space
Antenna loss
<= -3 dB
TRP-TX Power Conducted
Antenna Loss
<= -3 dB
RX receive sensitivity conducted
– TIS
Board RF Specification
Cellular Band RX
2G Frequency range
Sensitivity
Dynamic range
Single tone Desensitization
Intermediation Spurious
Response Attenuation
Conducted Spurious
Emission
Cellular Band TX
2G Frequency range
Maximum Frequency error
Maximum output power
Minimum controlled output
power
Standby output power
869MHz～894MHz
-108dBm (FER≤0.5%)
-25～-108dBm (FER≤0.5%)
-102.4dBm(FER≤1%,-30dBm@±900KHz)
-102.4dBm(FER≤1%,-43dBm@±900 KHz/±1800KHz)
-91.4dBm(FER≤1%,-32dBm @±900 KHz/±1800KHz)
-80.4dBm(FER≤1%,-21dBm @±900 KHz/±1800KHz)
<-76dBm/1MHz（RX band）
<-61dBm/1MHz（TX band）
<-47dBm/30KHz（other frequency）
824MHz～849MHz
±200KHz
33dBm
<-50dBm
<-61dBm
Code domain power
The code domain power in each inactive code channel
shall be 23 dB or more below the total output power
measured on both the I and Q data channel combined.
Time reference
±1.0uS
Waveform quality
>0.944
Range of open loop output
power
© 2016 Connected Holdings LLC
（test1：－25dBm/1.23MHz）－47.7±9.5dBm
（test2：－60dBm/1.23MHz）－7.7±9.5dBm
（test3：－93.5dBm/1.23MHz）20.3±9.5dBm
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-42dBc/30Khzor-54dBm/1.23MHz
（|Δf|:1.25MHz~1.98MHz）
-50dBc/30Khzor-54dBm/1.23MHz
（|Δf|: 1.98MHz~4.00MHz）
Conducted spurious emission
<-36dBm/1kHz
（|Δf| > 4MHz, 9KHz < f < 150KHz,）
<-36dBm/10kHz
（|Δf| > 4MHz, 150kHz 4MHz, 30MHz 4MHz, 1GHz0.944
Range of open loop output
power
(test1: -25dBm/1.23MHz) -50.7±9.5dBm
(test2: -60dBm/1.23MHz) -10.7±9.5dBm
(test3: -91.3dBm/1.23MHz) 20.3±9.5dBm
Conducted spurious emission
-42dBc/30Khzor-54dBm/1.23MHz
(|Δf|:885KHz~1.98MHz)
(|Δf|:
-54dBc/30Khzor-54dBm/1.23MHz
1.98MHz~4.00MHz)
© 2016 Connected Holdings LLC
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<-36dBm/1kHz (|Δf| > 4MHz, 9KHz < f < 150KHz)
<-36dBm/10kHz (|Δf| > 4MHz, 150kHz 4MHz, 30MHz 4MHz, 1GHz; BIN:; MEID/ESN:
APN1:; IP::;LPORT:
© 2016 Connected Holdings LLC
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4 Test Method
4.1
Hardware
Test Item
Description
Baseband Function Test
•
•
•
•
•
•
•
•
•
•
Power Input Test
Power Consumption and Current Test
Heat Dissipation Test
UART Stability Test
GPIO Level Test
LED Stability Test
Drop Down Test
ESD Test
High/Low Temperature Test
Humidity Test
RF Test
•
•
•
RF Performance Test
GPS Performance Test
Antenna Performance Test
4.2
Software Test
Test Environment Construct
 Message Test environment
1. USB dongle and PC as message server
2. Send message to AR-2GM
 UDP Test environment
1. Connect dongle to PC and create dialup as ip server
2. AR-2GM create IP connection to server
 UART Test environment
1. Connect AR-2GM to pc with com serial cable
2. Open Terminal tool and send at command
3. Response can be shown at terminal window
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Mechanical Structure(mm)
© 2016 Connected Holdings LLC
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FCC Statement
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.
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.
Changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment.
RF Exposure Warning Statements:
The antenna(s) used for this transmitter must be installed to provide a separation distance of at
least 20 cm from all persons during the normal operations.
IC STATEMENT
This device complies with Industry Canada licence-exempt RSS standard(s). 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.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio
exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne
doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage
radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
In order to avoid the possibility of exceeding the IC radio frequency exposure limits, human
© 2016 Connected Holdings LLC
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proximity to the antenna shall not be less than 20cm (8 inches) during normal operation.
Afin d'éviter la possibilité de dépasser les limites d'exposition aux fréquences radio de la IC
CNR102, la proximitéhumaine àl'antenne ne doit pas être inférieure à20 cm (8 pouces) pendant
le fonctionnement normal.
© 2016 Connected Holdings LLC
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