Huawei Application Guide ME906s LTE M.2 Module (V100R001 02, English)

2018-05-24

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HUAWEI ME906s LTE M.2 Module
V100R001

Application Guide

Issue

Date

2017-12-11

Copyright © Huawei Technologies Co., Ltd. 2017. All rights reserved.
No part of this manual may be reproduced or transmitted in any form or by any means without prior written
consent of Huawei Technologies Co., Ltd. and its affiliates ("Huawei").
The product described in this manual may include copyrighted software of Huawei and possible licensors.
Customers shall not in any manner reproduce, distribute, modify, decompile, disassemble, decrypt, extract,
reverse engineer, lease, assign, or sublicense the said software, unless such restrictions are prohibited by
applicable laws or such actions are approved by respective copyright holders.

Trademarks and Permissions
,

, and

are trademarks or registered trademarks of Huawei Technologies Co., Ltd.

LTE is a trade mark of ETSI.
Other trademarks, product, service and company names mentioned may be the property of their respective
owners.

Notice
Some features of the product and its accessories described herein rely on the software installed, capacities
and settings of local network, and therefore may not be activated or may be limited by local network operators
or network service providers.
Thus, the descriptions herein may not exactly match the product or its accessories which you purchase.
Huawei reserves the right to change or modify any information or specifications contained in this manual
without prior notice and without any liability.

DISCLAIMER
ALL CONTENTS OF THIS MANUAL ARE PROVIDED “AS IS”. EXCEPT AS REQUIRED BY APPLICABLE
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Customers shall comply with all applicable export or import laws and regulations and be responsible to obtain
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HUAWEI ME906s LTE M.2 Module
Application Guide

About This Document

About This Document
Revision History
Document
Version

Date

2015-07-31

Creation

2017-12-11

Deleted privacy policy

Issue 02 (2017-12-11)

Chapter

Description

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HUAWEI ME906s LTE M.2 Module
Application Guide

Contents

Contents
1 Introduction.................................................................................................................................... 8
1.1 Overview .......................................................................................................................................................... 8
1.2 Conventions and Definitions ............................................................................................................................ 8
1.2.1 Conventions ............................................................................................................................................ 8
1.2.2 Definitions .............................................................................................................................................. 8
1.2.3 Legends ................................................................................................................................................... 9
1.3 Basic AT Command Processing Principles ..................................................................................................... 10
1.3.1 Ports ...................................................................................................................................................... 10
1.3.2 AT Command Processing Mechanism................................................................................................... 10
1.3.3 Recommended Timeout Mechanism for AT Commands Processed by a Host...................................... 11

2 Basic Application Scenarios ...................................................................................................... 13
2.1 Querying the IMEI ......................................................................................................................................... 13
2.1.1 Reference Process ................................................................................................................................. 13
2.1.2 Troubleshooting .................................................................................................................................... 14
2.2 Querying Additional Information ................................................................................................................... 14
2.2.1 Reference Process ................................................................................................................................. 14
2.2.2 Troubleshooting .................................................................................................................................... 14

3 Airplane Mode Application Scenarios ................................................................................... 15
3.1 Overview ........................................................................................................................................................ 15
3.2 Setting the Flight Mode .................................................................................................................................. 15
3.2.1 Reference Process ................................................................................................................................. 15
3.2.2 Troubleshooting .................................................................................................................................... 16

4 BodySAR Application Scenarios ............................................................................................. 17
4.1 Overview ........................................................................................................................................................ 17
4.2 Enabling/Disabling BodySAR ....................................................................................................................... 17
4.2.1 Reference Process ................................................................................................................................. 17
4.2.2 Troubleshooting .................................................................................................................................... 17
4.3 Adjusting the WCDMA Transmitted Power Using the BodySAR Feature .................................................... 18
4.3.1 Reference Process ................................................................................................................................. 18
4.3.2 Troubleshooting .................................................................................................................................... 18
4.4 Adjusting the GSM Transmitted Power Using the BodySAR Feature ........................................................... 19
4.4.1 Reference Process ................................................................................................................................. 19
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4.4.2 Troubleshooting .................................................................................................................................... 20
4.5 Adjusting the LTE Transmitted Power Using the BodySAR Feature ............................................................. 20
4.5.1 Reference Process ................................................................................................................................. 20
4.5.2 Troubleshooting .................................................................................................................................... 21
4.6 Usage Description Of BodySAR Feature ....................................................................................................... 21
4.6.1 Reference Description ........................................................................................................................... 21
4.6.2 Troubleshooting .................................................................................................................................... 22
4.7 Setting the BodySAR Type ............................................................................................................................ 22
4.7.1 Reference Process ................................................................................................................................. 22
4.7.2 Troubleshooting .................................................................................................................................... 22

5 Network Searching and Registration Application Scenarios............................................. 23
5.1 Searching and Registering Network ............................................................................................................... 23
5.1.1 Reference Process ................................................................................................................................. 23
5.1.2 Troubleshooting .................................................................................................................................... 25

6 SMS Application Scenarios ...................................................................................................... 26
6.1 Overview ........................................................................................................................................................ 26
6.2 Initializing SMS ............................................................................................................................................. 28
6.2.1 Reference Process ................................................................................................................................. 28
6.2.2 Troubleshooting .................................................................................................................................... 32
6.3 Sending Short Messages ................................................................................................................................. 32
6.3.1 Reference Process ................................................................................................................................. 32
6.3.2 Troubleshooting .................................................................................................................................... 34
6.4 Reading Short Messages ................................................................................................................................ 35
6.4.1 Reference Process ................................................................................................................................. 35
6.4.2 Troubleshooting .................................................................................................................................... 36
6.5 Deleting Short Messages ................................................................................................................................ 37
6.5.1 Reference Process ................................................................................................................................. 37
6.5.2 Troubleshooting .................................................................................................................................... 38

7 Phonebook Application Scenarios .......................................................................................... 39
7.1 Overview ........................................................................................................................................................ 39
7.2 Initializing the Phonebook ............................................................................................................................. 39
7.2.1 Reference Process ................................................................................................................................. 39
7.2.2 Troubleshooting .................................................................................................................................... 40
7.3 Reading Phonebook Entries ........................................................................................................................... 41
7.3.1 Reference Process ................................................................................................................................. 41
7.3.2 Troubleshooting .................................................................................................................................... 42
7.4 Writing Phonebook Entries ............................................................................................................................ 43
7.4.1 Reference Process ................................................................................................................................. 43
7.4.2 Troubleshooting .................................................................................................................................... 44

8 Data Service Application Scenarios ........................................................................................ 46

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8.1 Overview ........................................................................................................................................................ 46
8.2 Initializing Data Service Settings ................................................................................................................... 47
8.2.1 Reference Process ................................................................................................................................. 47
8.2.2 Troubleshooting .................................................................................................................................... 47
8.3 Attaching/Detaching PS ................................................................................................................................. 47
8.3.1 Reference Process ................................................................................................................................. 47
8.3.2 Troubleshooting .................................................................................................................................... 48
8.4 Defining PDP Contexts .................................................................................................................................. 48
8.4.1 Reference Process ................................................................................................................................. 48
8.4.2 Troubleshooting .................................................................................................................................... 49
8.5 Activate PDP Contexts and Enter Data Mode ................................................................................................ 49
8.5.1 Reference Process ................................................................................................................................. 49
8.5.2 Troubleshooting .................................................................................................................................... 50

9 Security Settings Application Scenarios ................................................................................ 51
9.1 Changing the SIM PIN ................................................................................................................................... 51
9.1.1 Reference Process ................................................................................................................................. 51
9.1.2 Troubleshooting .................................................................................................................................... 52
9.2 Changing the SIM Card Configuration .......................................................................................................... 53
9.2.1 Reference Process ................................................................................................................................. 53
9.2.2 Troubleshooting .................................................................................................................................... 54

10 SIM Card Application Scenarios ........................................................................................... 55
10.1 SIM Card Access .......................................................................................................................................... 55
10.1.1 Reference Process ............................................................................................................................... 55
10.1.2 Troubleshooting .................................................................................................................................. 58

11 Module Powering Off and Resetting Application Scenarios ........................................... 59
11.1 Restarting the ME ......................................................................................................................................... 59
11.1.1 Reference Process ............................................................................................................................... 59
11.1.2 Troubleshooting .................................................................................................................................. 59
11.2 Powering Off the ME ................................................................................................................................... 59
11.2.1 Reference Process ............................................................................................................................... 59
11.2.2 Troubleshooting .................................................................................................................................. 60

12 DPTF Application Scenarios ................................................................................................... 61
12.1 Setting Thermal Sensor with the Threshold ................................................................................................. 61
12.1.1 Reference Process ............................................................................................................................... 61
12.1.2 Troubleshooting .................................................................................................................................. 61
12.2 Querying the Current Temperature of a Thermal Sensor.............................................................................. 61
12.2.1 Reference Process ............................................................................................................................... 61
12.2.2 Troubleshooting .................................................................................................................................. 62

13 ACT Application Scenarios ..................................................................................................... 63
13.1 Overview ...................................................................................................................................................... 63

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13.2 Adaptive Clocking ........................................................................................................................................ 63
13.2.1 Reference Process ............................................................................................................................... 63
13.2.2 Troubleshooting .................................................................................................................................. 64

14 GPS Application Scenarios ..................................................................................................... 65
14.1 Introduction to GPS ...................................................................................................................................... 65
14.1.1 GPS Positioning Methods ................................................................................................................... 65
14.1.2 GPS Ports ............................................................................................................................................ 67
14.2 Standalone Positioning ................................................................................................................................. 68
14.3 MSB Positioning Using the User Plane Protocol ......................................................................................... 69
14.4 MSA Positioning Using the User Plane Protocol ......................................................................................... 70
14.5 GNSS Positioning ........................................................................................................................................ 70

15 Appendix .................................................................................................................................... 72
15.1 Relative Documents ..................................................................................................................................... 72
15.2 Acronyms and Abbreviations ....................................................................................................................... 72

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Introduction

1.1 Overview
This document is intended to provide references for customers to choose appropriate
command sequences to start using the ME906s module in a faster manner. This document also
contains examples and relevant description.
This document will be updated based on customers' requirements.
This document is only applicable for Windows 7. For Windows 8, Windows 8.1 and Windows 10, please
refer to the MBIM protocol.

1.2 Conventions and Definitions
1.2.1 Conventions
Convention

Description

<...>

Value range of AT command parameters

XXXX

Personal identification number (PIN), Personal Unlock Key (PUK), or
password

1.2.2 Definitions
Term

Definition

Connected

Indicates that a link has been set up between two modules or a module
and a terminal.

Registered

Indicates that the module is registered with a mobile network.

Module

HUAWEI LTE module

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Term

Introduction

Definition

Mobile equipment

Application

GSM network
Mobile
Network

1.2.3 Legends
Legend

Description
Start.

Action: includes user input, reports from the module,
unsolicited indications from the module, and
communication between the module and the host.
Branch: determines the next step.

Comment

Comment: clarifies the scenario.

End.

Dataflow: indicates the next step to which the service goes
or the indication reported from an action.

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Introduction

1.3 Basic AT Command Processing Principles
1.3.1 Ports
The ME906s provides three ports to interact with its host:


Network Card port: simulated using USB, for establishing data connection.
Port name: HUAWEI Mobile Connect - Network Card



PCUI port: simulated using USB, for AT command interaction only.
Port name: HUAWEI Mobile Connect - PCUI Interface



GPS port: simulated using USB, for reporting NMEA data.
Port name: HUAWEI Mobile Connect - GPS Interface

The ME906s also provides a port for debugging:


DIAG port: simulated using USB, for DIAG (diagnostic) command interaction (mainly
used to debug modules at present).
Port name: HUAWEI Mobile Connect - Application Interface

A host controls a module using AT commands. If AT commands are unavailable, a module can
be deemed as unavailable.

1.3.2 AT Command Processing Mechanism
A module processes AT commands from the ports (MODEM, PCUI, and GPS) in series. An
AT command can be processed when and only when the previous AT command processing
has been completed. If the module is processing an AT command, a new AT command from
the same port will be buffered and other commands from other ports will be buffered until the
current AT command is processed.
The processing of an AT command starts when the AT command is entered from the TE, and
ends when the UE (the module) returns all the results in response the command.

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Figure 1-1 AT command processing sequence diagram

AT command 1
Process AT
command 1
AT command 2
Ignore AT
command 2
Return results of AT command 1

AT command 3
Process AT
command 3
Return results of AT command 3

1.3.3 Recommended Timeout Mechanism for AT Commands
Processed by a Host
A module processes AT commands in series. Do not send another AT command before the
result for the current command is returned or the current command times out (except when the
current command is an interruptible AT command). The following table lists AT command
timeout durations (starting from the time when an AT command arrives at a port).
Table 1-1 AT command timeout duration
AT Command

Timeout Duration

General AT commands

30s

AT+CMGS (used to send PDU messages)

60s

AT+COPS=? (used to search for networks)

120s

After an AT command times out, it is recommended that the host check whether the module is
functioning normally. The following procedure is provided for your reference:


The host sends the AT command to the module.



If the module returns failure information, go to step 5. Otherwise, go to step 3.



If the module returns success information, the module is functioning normally.

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

If the host times out (the host waits for a response for over 30 seconds) three times when
waiting for the response from the module, go to step 5. Otherwise, go to step 1.



The host deems that the current module does not exist or is unavailable. Close the port,
stop sending all AT commands, exit the procedure to determine whether the module is
normal, and re-search for modules.

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Basic Application Scenarios

2.1 Querying the IMEI
2.1.1 Reference Process
Command

Description

AT+GSN/AT+CGSN

Queries the IMEI.

IMEI

For example: 350050500005492

Figure 2-1 Querying the IMEI

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2.1.2 Troubleshooting
None

2.2 Querying Additional Information
2.2.1 Reference Process
Command

Description

ATI

Queries the product information.

Product information

For example:
Manufacturer: Huawei Technologies Co., Ltd.
Model: ME906s-158

Revision: 23.613.61.00.00
IMEI: 350050500005492
+GCAP: +CGSM,+DS,+ES
AT+GMR/AT+CGMR

Queries software version.

Software version

Software version. e.g. 23.613.61.00.00

OK
AT+GMI/AT+CGMI

Queries manufacturer information.

Manufacturer identification

Huawei Technologies Co., Ltd.

OK
AT+GMM/AT+CGMM

Queries model name.

Model identification

ME906s-158

2.2.2 Troubleshooting
None

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Airplane Mode Application
Scenarios

Airplane Mode Application Scenarios

3.1 Overview
Modules are usually embedded into equipments such as personal computers. The airplane
mode provided by the modules can be enabled or disabled as required. When the equipment
into which the module is embedded is in airplane mode, the radio frequency (RF) of the
module is disabled, and other functions of the equipment are still available.

3.2 Setting the Flight Mode
3.2.1 Reference Process
Command

Description

AT^RFSWITCH=1

Sets the software-controlled RF switch to be on.

OK
AT^RFSWITCH?

Queries the states of the software and hardware controlled
RF switches.

^RFSWITCH: 1,1

Indicates the software switch is on, and the hardware
switch is on.

AT^RFSWITCH=0: sets the software-controlled RF switch to be off.
AT^RFSWITCH=1: sets the software-controlled RF switch to be on.
The value set by AT^RFSWITCH command is saved upon power-off. So the settings will be
used as the initial settings next time the module is powered on.

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

The radio state of WWAN can be controlled by the software-controlled and hardware-controlled RF
switches. To check the states of the software-controlled and hardware-controlled RF switches, run
AT^RFSWITCH?.



The radio state of WWAN is controlled in the following manner:

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The radio of the module will be disabled when either the software-controlled or hardware-controlled
RF switch is off.
The radio of the module will be enabled only when both the software-controlled and
hardware-controlled RF switches are on.

3.2.2 Troubleshooting
None

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BodySAR Application Scenarios

4.1 Overview
Specific absorption rate (SAR) is a measure of the rate at which energy is absorbed by the
body when exposed to an RF electromagnetic field. It is commonly used to measure power
absorbed from mobile phones. The greater the SAR value, the greater the radiation effect on
humans.
For user equipment (UE) such as modules, their SAR value increases as their transmitted
power increases.
At present, most vendors' tablets have passed SAR tests. Generally, these products have
embedded proximity sensors. When the sensors detect that a human is in the proximity of or
in contact with the UE, they will notify the UE so that the UE will reduce the transmitted
power. When the human is no longer in the proximity of or in contact with the UE, the sensors
also notify the UE so that the UE will restore the transmitted power.

4.2 Enabling/Disabling BodySAR
4.2.1 Reference Process
Command

Description

AT^BODYSARON=1

Enables the BodySAR feature.

OK
AT^BODYSARON=0

Disables the BodySAR feature.

If the BodySAR feature is enabled, the maximum transmitted power can be adjusted. If the
BodySAR feature is disabled, the system's default maximum transmitted power is used.

4.2.2 Troubleshooting
None

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BodySAR Application Scenarios

4.3 Adjusting the WCDMA Transmitted Power Using the
BodySAR Feature
4.3.1 Reference Process
Command

Description

AT^BODYSARWCDMA=20
,00000001,18,00000092

Sets the maximum WCDMA transmitted power
threshold. Indicates that set the maximum WCDMA I Tx
power limit to 20 and the maximum WCDMA II,
WCDMA V and WCDMA VIII Tx power limit to 18.

The WCDMA transmitted power is controlled by setting the maximum transmitted power
threshold. Affected by PDM and other factors, the test result may have an error of ±2 dB.
The command and parameters of AT^BODYSARWCDMA depend on the product.
Figure 4-1 Adjusting the WCDMA transmitted power

Adjust the WCDMA transmitted power
using the BodySAR feature
User inputs
parameters.

Save the parameters.

Is the BodySAR
fearure enabled?

Y
Adjust the maximum WCDMA
transmitted power to be less than the
specified value.

End

4.3.2 Troubleshooting
None

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BodySAR Application Scenarios

4.4 Adjusting the GSM Transmitted Power Using the
BodySAR Feature
4.4.1 Reference Process
Command

Description

AT^BODYSARGSM=28,00000
001,25,00000004

Sets the maximum GSM transmitted power thresholds.
Indicates that set the maximum GSM 850 GPRS Tx
power limit to 28 and the maximum GSM 1800 GPRS
Tx power limit to 25.

The AT^BODYSARGSM set command sets the maximum Tx power limit of GSM, GPRS
and EGPRS for each band in single time-slot. When the module changes into multi-slot
configuration, the maximum Tx power limit of each time-slot will be reduced. The power
reduction in multi-slot configuration is as follow:
Number of timeslots in uplink
assignment

Reduction of maximum Tx power
(dB)

8.5

The transmitted power for each band of GSM GPRS and EGPRS (GSM 850, GSM 900, GSM
1800, and GSM 1900) is controlled by setting the maximum transmitted power thresholds.
Affected by PDM and other factors, the test result may have an error of ±2 dB.
The command and parameters of AT^BODYSARGSM depend on the product.

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BodySAR Application Scenarios

Figure 4-2 Adjust the GSM transmitted power

Adjust the GSM transmitted power
using the BodySAR feature

User inputs
parameters.

Save the parameters.

Is the BodySAR
fearure enabled?

Y
Adjust the maximum GSM
transmitted power to be less than the
specified value.

End

4.4.2 Troubleshooting
None

4.5 Adjusting the LTE Transmitted Power Using the
BodySAR Feature
4.5.1 Reference Process
Command

Description

AT^BODYSARLTE=20

Sets the maximum LTE transmitted power threshold.
Indicates that set the maximum LTE Tx power limit of
bands supported by firmware to 20.

The LTE transmitted power is controlled by setting the maximum transmitted power threshold.
Affected by PDM and other factors, the test result may have an error of ±2 dB.
The command and parameters of AT^BODYSARLTE depend on the product.

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BodySAR Application Scenarios

Figure 4-3 Adjusting the LTE transmitted power

Adjust the LTE transmitted power
using the BodySAR feature
User inputs
parameters.

Save the parameters.

Is the BodySAR
fearure enabled?

Y
Adjust the maximum LTE
transmitted power to be less than the
specified value.

End

4.5.2 Troubleshooting
None

4.6 Usage Description Of BodySAR Feature
4.6.1 Reference Description
After a module is powered on, the default BodySAR function status is disabled, and the
default power control function in the system is used.
The maximum transmitting power parameters take effect in real time only when the following
requirements are met:


The AT^BODYSARWCDMA, AT^BODYSARGSM and AT^BODYSARLTE
commands are used to set the maximum transmitting power parameters successfully.



The AT^BODYSARON=1 command is used to enable the BodySAR function.

When the maximum transmitting power parameters are not set or the BodySAR function is
disabled, the default power control function in the system is used.
After the maximum transmitting power parameters are set, the AT^BODYSARON=0
command can be used to disable the BodySAR function. Then the default maximum
transmitting power is resumed. If the AT^BODYSARON=1 command is used to enable the

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BodySAR Application Scenarios

BodySAR function again, the maximum transmitting power parameters that have been set
take effect in real time.
The maximum transmitting power parameters are saved in flash. As a contrast, the current
BodySAR function status is not saved. That means if the module restarts, the values of the
maximum transmitting power parameters are the same with which before restarting, but the
BodySAR function status is disabled.

4.6.2 Troubleshooting
None

4.7 Setting the BodySAR Type
4.7.1 Reference Process
Command

Description

AT^BODYSARCFG=0

Sets to OFF state. Indicates the BodySAR function is
disabled.

OK
AT^BODYSARCFG=1

Sets to ON state. Indicates the BodySAR function is
enabled. (default value)

OK
AT^BODYSARCFG=2

AUTO state. If the PLMN number of inserted SIM card
is in the BodySAR PLMN list configured in the module,
the BodySAR function is enabled. Otherwise, the
BodySAR function is disabled.

Only when the BodySAR function is enabled, AT^BODYSARCFG command can be used.

4.7.2 Troubleshooting
None

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Network Searching and Registration
Application Scenarios

5.1 Searching and Registering Network
5.1.1 Reference Process
Command

Description

AT+COPS=0

Enables automatic search for networks.

OK
AT+COPS=1,2,"46000"

Manual search for the appointed network.

OK
Searches for all networks, and returns the
networks.

AT+COPS=?
OK

Enables the unsolicited indication when network
registration state changes.

AT+CREG=2
OK
AT^SYSCFGEX="00",3FFFFFFF,1
,2,7FFFFFFFFFFFFFFF,,

Sets the system mode, network access order,
frequency band, roaming support, domain, and
other features.

OK
AT^SYSINFOEX

Queries the system service state, domain,
roaming status, and system mode.

^SYSINFOEX:
2,3,0,1,,1,"GSM",3,"EDGE"
OK
AT^HCSQ?

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Queries the signal quality.

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Command

Network Searching and Registration
Application Scenarios

Description

^HCSQ:"GSM",73
OK

Figure 5-1 Automatic search for networks
Automatic search for networks

Start

Enable automatic search for
networks AT+COPS=0

Return OK

The unsolicited command
^SRVST indication for the
change of networks state

End

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Application Scenarios

Figure 5-2 Manual search for networks
Manual search for networks

Start

Enable automatic
search for networks.
AT+COPS=?

Display the
networks found.

Select and register with a network.
AT+COPS=1[,[,[,]]]

End

The application scenario is applicable for 3GPP (GSM/WCDMA/LTE), and UE is not in data service
state.

5.1.2 Troubleshooting
Scenario

Possible Error Information

Solution

AT+COPS?

+CME ERROR: SIM failure

No SIM card is detected. Insert a
SIM card.

AT+CREG?

+CME ERROR: SIM failure

No SIM card is detected. Insert a
SIM card.

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SMS Application Scenarios

6.1 Overview
Short Message Service (SMS) is a text messaging service using a service center (SC) to
transfer short text messages between GSM MEs and Short Message Entities (SMEs). ME906s
only supports protocol data unit (PDU) mode message.
A message must contain the following information before it is sent:
For a PDU mode message:


Length of TPDU package



Message content: To compose or send a PDU mode message, the message must contain
all the message attributes and be encoded in PDU format. A PDU consists of the
following:
−

Service Center Address (SCA): composed of the address length, SCA type and SCA
reverse byte.

−

First octet: contains the message type indicator, TP-RP, TP-UDHI, TP-SRR, TP-VPF,
TP-RD, and TP-MTI.

−

Short text message statement.

−

Destination address: consisting of the destination address, address length and
destination address type.

−

Protocol identifier.

−

Data encoding scheme.

−

Validity duration.

−

Data length.

−

User data: consisting of the user data header and the data encoded in PDU format.

Figure 6-1 shows an example of data encoded in PDU format of submitted type.

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Figure 6-1 Example of data encoded in PDU format of submitted type

Figure 6-2 shows the general SMS process.
Figure 6-2 General SMS process
SMS

Start

SMS initialization

Write short
messages

Delete short
messages

Read short
messages

Receive
short messages

Send short
messages

Status report

End

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6.2 Initializing SMS
6.2.1 Reference Process
Command

Description

AT+CSCA?

Queries the SMSC address.

+CSCA: "13800688509",129
OK
AT+CSCA="+8613800755500"

Sets the SMSC address to the SMSC number of
China Mobile's Shenzhen Branch.

OK
Queries the short message service type.

AT+CSMS?
+CSMS: 0,1,1,1
OK

Queries the configuration of the new message
indications to TE.

AT+CNMI?
+CNMI: 0,0,0,0,0
OK
AT+CNMI=2,1,2,2,0

Configures the new message indications to TE.

OK
Queries the preferred short message storage.

AT+CPMS?
+CPMS:
"SM",12,20,"SM",12,20,"SM",1
2,20
OK
AT+CPMS="SM"

Sets SM as short message storage medium.

OK
AT+CGSMS?

Queries the MO SMS bearer domain.

+CGSMS: 1
OK
AT+CMGF?

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Queries the short message format.

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Command

SMS Application Scenarios

Description

+CMGF: 0
OK
AT+CMGF=0

Sets the short message format to PDU.

Use the AT+CMGF command to set short message format: AT+CMGF=0 sets the short
message format to PDU.
The SMSC address provided by the service provider must be specified. In PDU mode, the
SMSC address is contained in the PDU packets. Therefore, in PDU mode, the AT+CSCA
command is optional.
To use the SMS features specified in the GSM 07.05 Phase 2+, the AT+CSMS command
must be used to enable the features.
Use the AT+CNMI command to set the unsolicited indications.
Use the AT+CPMS command to select the preferred short message storage (SIM or ME). The
ME906s supports only the SM (SIM card) storage.
Use the AT+CGSMS command to select the MO SMS bearer domain (PS or CS domain). For
ME906s, the CS domain is the preferred MO bearer domain.

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Figure 6-3 SMS initialization process - part 1
SMS initialization

Start

Set the SMSC address to the SMSC
number of China Mobile's
Shenzhen Branch.

Query the SMSC
address.
AT+CSCA?

AT+CSCA="+8613800755500"

Example: SMSC
address is not specified.
+CSCA: "",129
OK

OK
Require the message
service type.

Set the message
service type.
AT+CSMS=1

AT+CSMS?

+CSMS: 0,1,1,1

+CSMS: 1,1,1

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Figure 6-4 SMS initialization process - part 2
*
Enable the notification
of new messages.

Query the unsolicited
indication state.

AT+CNMI=2,1,2,2,0

AT+CNMI?
Default values

+CNMI: 0,0,0,0,0

OK
Query the preferred storage
for the current message.

AT+CPMS?

+CPMS: "SM",13,20,"SM",13,20,"SM",13,20
OK

AT+CGSMS?
+CGSMS: 1
OK

AT+CMGF=0

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Figure 6-5 SMS initialization process - part 3
*
AT+CMGF?

+CMGF: 0

AT+CMGF=0

End

6.2.2 Troubleshooting
Scenario

Possible Error Information

Solution

Error information is
returned in response to
one of the previous
commands.

+CME ERROR: SIM PIN
required

Enter the correct PIN.

+CMS ERROR: SIM busy

SIM card initialization has not
completed. Try again later.

6.3 Sending Short Messages
6.3.1 Reference Process
Command

Description

AT+CMGF=0

Sets the short message format to PDU.

OK
Queries the SMSC address.

AT+CSCA?
+CSCA: "13800688509",129
OK

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Command

Description

AT+CMGS=18
>0031000B813109731147F40000FF04F
4F29C0E\x0A

Sends a PDU message without the service
center address. The value of SMSC address is
the setting of AT+CSCA command.

+CMGS: 168

The message is successfully sent.

OK
AT+CMGS=18
>0891683108608805F931000B81310973
1147F40000FF04F4F29C0E\x1A

Sends a PDU message with the correct
service center address.

The message is successfully sent.

+CMGS: 169
OK
AT+CMGS=18
>0891683108608805F031000B81310973
1147F40011FF04F4F29C0E\x1A
+CMS ERROR: Network out of order

Sends a PDU message with the wrong service
center address.

The message is unsuccessfully sent.

Messages in PDU format must be converted using external tools or users' software. Tools for
encoding and parsing messages in PDU format are available on the Internet.

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Figure 6-6 Sending short messages in PDU format
Sending messages in PDU format

Start
Send a short message
(given that the PDU length is 18)

SMS initialization
AT+CMGS=18

PDU message
without SCA

Press to cancel
the command

Press to send
the command.

0031000B813109731147F4
0000FF04F4F29C0E

0891683108608805F931000B
813109731147F40000FF04F4
F29C0E

Message sent
successfully

Example: Message
not sent
OK

Message sent
unsuccessfully
+CMGS: 1
OK

+CMS ERROR:
Network out of
order

End

6.3.2 Troubleshooting
Scenario

Possible Error
Information

Solution

Error information is
returned in response to one
of the previous commands.

+CMS ERROR: Network
out of order

Check the validity of the
service center address or the
state of the current network.

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6.4 Reading Short Messages
6.4.1 Reference Process
Command

Description

AT+CMGL=0

Lists all received unread messages.

+CMGL: 2,0,,48

The format of short messages can
refer to the AT+CMGL command.

0891683108608805F9040D91683109732097F200
0001432619001001F506215744FD3D1A0E930C8
4296D9EC370BFDE86C2F23228FFAEFF00
+CMGL: 4,0,,64
0891683108608805F9040D91683109732097F200
000140326131050032506215744FD3D1A0E930C
84296D9EC370BFDBE83C2B0380F6A97416FF
7B80C6AVFE5E510
OK
AT+CMGR=4

Reads the message stored in the
message storage location 4.

+CMGR: 1,,64

The format of short messages can
refer to the AT+CMGR command.

0891683108608805F9040D91683109732097F200
000140326131050032506215744FD3D1A0E930C
84296D9EC370BFDBE83C2B0380F6A97416FF
7B80C6AVFE5E510
OK

There are two methods to read short messages:


Method 1: Use the AT+CMGL command to list the messages that are in specified state
and stored in the preferred message storage. The following table describes the message
states. If the message sate is received unread messages, the REC UNREAD state will be
changed to REC READ after the AT+CMGL command is executed.

Message State

PDU Mode

Received unread messages

Received read messages

Stored unsent messages

Stored sent messages

All messages

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

SMS Application Scenarios

Method 2: Use the AT+CMGR command to read a message from a specified storage
location in the message storage. If the message is a received unread message, its state
will be changed to REC READ after it is read using the AT+CMGR command.

You can use the AT+CMGL command to list all short messages so that you can view the
messages' storage locations.
Figure 6-7 Reading short messages
Reading short messages

Start
List received unread
messages in PDU format

AT+CMGL=0

+CMGL: ,0,,
(messages in PDU format)
......
+CMGL: ,0,,
(messages in PDU format)
OK

AT+CMGR=n

PDU format
+CMGR: n,,
(messages in PDU format)
OK

End

6.4.2 Troubleshooting
Scenario

Possible Error Information

Solution

Error information is
returned in response to one
of the previous commands.

+CMS ERROR: invalid
memory index

Check the validity of the
index.

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6.5 Deleting Short Messages
6.5.1 Reference Process
Command

Description

AT+CMGF=0

Sets the message format to PDU mode.

OK
Lists all short messages (PDU mode).

AT+CMGL=4
+CMGL: 6,2,,30
0011000A9171798762130000A713C8329BF
D6681D0EF3B282C2F83F2EFFA0F
+CMGL: 11,1,,36
0791947106004013240C9194715982699000
003080413115748013C8329BFD6681D0EF
3B282C2F83F2EFFA0F
OK

Deletes the message stored in storage
location 1.

AT+CMGD=1
OK



Either all messages stored in the preferred message storage or a message stored in the
specified storage location in the preferred message storage can be deleted.



All read or unread messages that have been received can be deleted.



If no messages are stored in the preferred message storage, "OK" is returned when the
action to delete messages is completed.



Meanings of the DelFlag value:

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−

1: Delete all read messages in the preferred message storage, and keep the unread,
sent and unsent messages.

−

2: Delete all read and sent messages in the preferred message storage, and keep the
unread and unsent messages.

−

3: Delete all read, sent, and unsent messages in the preferred message storage, and
keep the unread messages.

−

4: Delete all messages in the preferred message storage, including the unread
messages.

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Figure 6-8 Deleting short message
Deleting short messages

Start

Prerequisite:
SMS has been initialized.

Example: Lists all short
messages in PDU format.
AT+CMGL=4

+CMGL: 1,
07919471060040
+CMGL: 2,
07919471060040
......
OK
Delete the message
stored in
location n in the preferred
storage.

Equivalent to
AT+CMGD=n

AT+CMGD=n

X:(0-999)

AT+CMGD=n,0

AT+CMGD=x,DelFlag

+CMSERROR:

invalid memory
index

End

6.5.2 Troubleshooting
Scenario

Possible Error
Information

Solution

Error information is
returned in response to one
of the previous commands.

+CMS ERROR: invalid
memory index

Check the validity of the
index.

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Phonebook Application Scenarios

7.1 Overview
As a product embedded into a host, the phonebook scenarios include that read, write, query
and delete the phonebook entries in the SIM card.
Read phonebook: use the AT+CPBR command to read phonebook entries.
Write phonebook: use the AT+CPBW command to save the phonebook entries into the SIM
card.
Delete phonebook: use AT+CPBW command to delete the phonebook entries in the SIM
card.

7.2 Initializing the Phonebook
7.2.1 Reference Process
Command

Description

AT+CPBS?

Queries the current phonebook storage.

+CPBS: "SM",0,250
OK
AT+CPBS="SM"

Selects SM as the storage type.

Note that the AT commands for reading and writing phonebook entries can be used only after
the phonebook storage is selected. To select a phonebook storage, use the AT+CPBS
command.

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Figure 7-1 Initializing the phonebook
Initializing the phonebook

Start
Query the available
storage types for the phonebook.
AT+CPBS=?

+CPBS: ("SM", "EN","ON")
OK
Query the current phonebook storage.

AT+CPBS?

+CPBS: "ON",0,0
OK
Select SM as the storage type
AT+CPBS="SM"

End

7.2.2 Troubleshooting
Scenario

Possible Error Information

Solution

Error information is
returned in response to
one of the previous
commands.

+CME ERROR: SIM busy

Phonebook initialization has
not completed. Try again
later.

+CME ERROR: SIM PIN
required

Enter the correct PIN.

+CME ERROR: SIM PUK
required

Enter the correct PUK.

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7.3 Reading Phonebook Entries
7.3.1 Reference Process
Command

Description

AT+CPBS?

Queries the phonebook
storage selection and the
maximum number of entries
that can be stored.

+CPBS: "SM",9,20
OK
AT+CPBR=1,20

Lists all phonebook entries
by their indexes.

+CPBR: 1,"+491765864491",145,"John Smith"
+CPBR: 2,"+44545896638",145,"Paul Williams"
+CPBR: 3,"+44556565657",145,"Joe Anderson"
+CPBR: 4,"+445636934485",145,"Oscar Thomso"
+CPBR: 5,"+445565656899",145,"Hannah Adams"
+CPBR: 6,"+447982865563",145,"Samantha Young"
+CPBR: 7,"+449585315798",145,"Alexis Wright"
+CPBR: 8,"+445415454646",145,"Abigail Cox"
+CPBR: 12,"+446565689115",145,"Kyla Clark"
OK

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Figure 7-2 Reading phonebook entries
Reading phonebook entries

Start
Query the current phonebook storage type.

FD phonebook can store
up to 10 entries; currently 3
entries are stored.

Initialize the
phonebook.

+CPBS: "ON",1,4

+CPBS: "SM",4,250

Lists all phonebook entries from location x to location y.
AT+CPBR=x,y

Correct response

The ending location is greater
than the greatest phonebook entry index.
+CPBR: 1,"+491765864491",145,"John Smith"
+CPBR: 2,"+445564854245",145,"Ashley Jones"
...
OK

+CME ERROR:
invalid index

End

7.3.2 Troubleshooting
Scenario

Possible Error
Information

Solution

Error information is
returned in response to
one of the previous
commands.

+CME ERROR: SIM busy

Phonebook initialization has not
completed. Try again later.

+CME ERROR: SIM PIN
required

Enter the correct PIN.

+CME ERROR: SIM PUK
required

Enter the correct PUK.

+CME ERROR: invalid
index

The index is invalid. Check that
index 1 is within the supported
range.

AT+CPBR=

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Scenario

Possible Error
Information

Solution

AT+CPBR=,

+CME ERROR: invalid
index

The index is invalid. Check that
index 1 and index 2 are within
the supported range and that
index 1 is not greater than index
2.

AT+CPBR=

+CME ERROR: not found

No entries are found in the
storage locations in index 1.
Check that there have been
entries successfully written into
these locations.

AT+CPBR=,

+CME ERROR: not found

No entries are found in the
storage locations between index
1 and index 2. Check that there
have been entries successfully
written into these locations.

7.4 Writing Phonebook Entries
7.4.1 Reference Process
Command

Description

AT+CPBR=?

Queries the ranges of parameters related
to the phonebook entries.

+CPBR: (1-250),80,14
OK
AT+CPBW="5","13903702805",,"test"

Writes a phonebook record.

OK
AT+CPBW=1

Deletes the entry in index 1 in the
phonebook.

There are two methods to edit phonebook entries using the AT+CPBW command:


Write an entry to a specified location. This method edits the location where a phonebook
entry exists or writes a new entry to a vacant location.



Write a new phonebook entry to the next location of a location that already has a
phonebook entry. This method does not require a specified storage location. The
AT+CPBW command can be used to edit phonebook entries of the "SM" or "ON" type.

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Figure 7-3 Writing phonebook entries
Writing phonebook entries

Start

Query the ranges of
parameters related
to the phonebook
entries.

AT+CPBR=?
Parameter ranges

+CPBR: (1-250),20,16
OK

Read all phonebook entries.

+CPBR: 1,"+491765864491",145,"John Smith"
+CPBR: 3,"+441236548545",145,"Emily Miller"
OK
Read all the returned results.
Write phonebook
parameters.
Write a phonebook
entry to a vacant location.

AT+CPBW=,"+44546465
4568",145,"Paul Williams"

+CEM ERROR:
memory full

Write a phonebook entry
to a specified location.
Note: If an entry already
exists in the location,
the entry will be overwritten.

AT+CPBW=1,"+44546465
4568",145,"Paul Williams"

+CEM ERROR:
invalid index

End

7.4.2 Troubleshooting
Scenario

Possible Error
Information

Solution

Error information is
returned in response to one
of the previous commands.

+CME ERROR: SIM busy

Phonebook initialization has
not completed. Try again
later.

+CME ERROR: SIM PIN
required

Enter the correct PIN.

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Possible Error
Information

Solution

+CME ERROR: SIM PUK
required

Enter the correct PUK.

Error information is
returned when writing an
entry into the phonebook.

+CME ERROR: dial string
too long

Check that the phone
number is not too long.

Error information is
returned in response to one
of the previous commands.

+CME ERROR: invalid
index

Check that the location
index and phone number
type are valid.

Error information is
returned when writing an
entry into the phonebook.

+CME ERROR: invalid
characters in dial string

The phone number to be
written into the phonebook
contains invalid characters.
Delete the invalid characters
and try again.

AT+CPBW=,"12345678901
234567890123",128,"80534
E4E3A"

+CME ERROR: memory
full

The storage is full. Delete
some entries and try again.

Scenario

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Data Service Application Scenarios

8.1 Overview
Figure 8-1 General data service process
General data service process

Start

End

Initialization

Attach PS

Deattach

Define PDP contexts.

Activate PDP contexts.

Enter data mode.

Deactivate PDP contexts.

The procedure for starting data service is as follows:


Initialize data service settings.



Attach PS.



Define packet data protocol (PDP) contexts.



Activate PDP contexts and enter data mode.

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Data Service Application Scenarios

General data service process is shown as Figure 8-1. To quit data mode, deactivate PDP
contexts, and then detach. For details about the processes of the steps in the previous
procedure, see the following sections.

8.2 Initializing Data Service Settings
8.2.1 Reference Process
Command

Description

AT+CGREG?

Queries the network registration state.

+CGREG: 0,0
OK
Enables the network registration state URC.

AT+CGREG=1
OK

8.2.2 Troubleshooting
Scenario

Possible Error Information

Solution

AT+CGREG?

+CGREG: 0,0

Run AT+CGATT=1 to manually
attach to the PS domain.

OK
The PS domain has not attached.

8.3 Attaching/Detaching PS
8.3.1 Reference Process
Command

Description

AT+CGATT=1

Attaches PS.

OK
AT+CGATT?

Queries the attach state.

+CGATT: 1
OK

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Command

Description

AT+CGATT=0

Detaches PS.

If PS has been attached or detached, the attached or detached command will be ignored, and
"OK" will be returned.
If the ME detaches PS, all activated PDP contexts will be automatically deactivated.

8.3.2 Troubleshooting
Scenario

Possible Error Information

Solution

AT+CGATT?

+CGATT: 0

Run AT+CGATT=1 to
manually attach to the PS
domain.

OK
The PS domain has not attached.

8.4 Defining PDP Contexts
8.4.1 Reference Process
Command

Description

AT+CGDCONT?

Queries the defined PDP contexts.

+CGDCONT:
11,"IPV4V6","","0.0.0.0",0,0
OK
AT+CGDCONT=1,"IP","1234"

Defines a new PDP context.

OK
AT+CGDCONT?

Queries the defined PDP context.

+CGDCONT: 1,"IP","1234","",0,0
OK
AT+CGDCONT=1

Deletes the PDP context with =1.

OK
AT+CGDCONT?

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Queries the defined PDP contexts.

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Command

Data Service Application Scenarios

Description

The AT+CGDCONT command is used to define the context ID and specify the PDP type and
access point name (APN). Each PDP context has a context ID (specified by the
parameter of the AT+CGDCONT command), which is a sequence number starting from 0.
The PDP type describes the protocol between the ME and the network, and the APN specifies
the gateway between the mobile network and the Internet.
The range of supported by ME906s module is the integer from 0 to 11.
Send AT+CGDCONT=, PDP context returns not defined status.

8.4.2 Troubleshooting
None

8.5 Activate PDP Contexts and Enter Data Mode
8.5.1 Reference Process
Please refer to WWAN UI of related operating system.
For example, on Windows 7 operating system, users can click Connect in WWAN UI to enter
data mode.

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Data Service Application Scenarios

Figure 8-2 WWAN UI

8.5.2 Troubleshooting
None

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Security Settings Application
Scenarios

Security Settings Application Scenarios

9.1 Changing the SIM PIN
9.1.1 Reference Process
Command

Description

AT+CPWD="SC","9999","1234"

Changes the PIN. Current PIN=9999; new
PIN=1234.

OK
AT+CPWD="SC","1113","1233"

Enters an incorrect PIN (first attempt).

+CME ERROR: incorrect password
AT+CPWD="SC","3333","1255"

Enters an incorrect PIN (second attempt).

+CME ERROR: incorrect password
AT+CPWD="SC","4711","1331"

Enters an incorrect PIN (third attempt).

+CME ERROR: SIM PUK required
Checks whether the password is requested.

AT+CPIN?
+CPIN: SIM PUK
OK
AT+CPIN="12345678","0000"

Enters the SIM PUK and specify the new
SIM PIN (activate new "SC" lock).

The AT+CPWD command can be used to change a SIM card's PIN. When the SIM card is
PIN protected, the correct PIN must be entered to unblock SIM card. If incorrect PINs are
entered three consecutive times, the PUK is required to unblock the SIM.

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Security Settings Application
Scenarios

Figure 9-1 Changing the PIN
Changing the PIN

Start

Check the PIN.

AT+CPIN?

+CPIN: SIM PUK

+CPIN: READY

OK
Change the PIN.

AT+CPWD="SC","xxxx","yyyy"
Incorrect input

+CME ERROR:
SIM PUK required

+CME ERROR:
incorrect password

End

9.1.2 Troubleshooting
Scenario

Possible Error
Information

Solution

AT+CPWD="SC",
,

+CME ERROR: incorrect
password

must be the current PIN.
Like the PIN authentication, if
incorrect PINs are entered three
times, the PUK will be required. If
incorrect PUKs are entered 10
times, the SIM card will be
permanently blocked.

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Security Settings Application
Scenarios

9.2 Changing the SIM Card Configuration
9.2.1 Reference Process
Command

Description

AT+CPIN?

Requests the PIN state.

+CPIN: READY
OK
AT+CLCK="SC",2

Requests the SIM card state.

+CLCK: 0

"+CLCK: 0" means that the SIM card is not
blocked.

OK
AT+CLCK="SC",1,"5555"

Uses an incorrect PIN to change the SIM card
lock.

+CME ERROR: incorrect password
AT+CLCK="SC",1,"0000"

Enables the SIM card lock.

OK
AT+CLCK="SC",2

Requests the SIM card state.

+CLCK: 1

"+CLCK: 1" means that the SIM card is
blocked.

OK
AT+CLCK="SC",0,"0000"

Disables the SIM card lock.

OK
AT+CLCK="SC",2

Requests the SIM card state.

+CLCK: 0

"+CLCK: 0" means that the SIM card is not
blocked.

OK
AT+CLCK="SC",1,"0000"

Enables the SIM card lock.

If the SIM card is blocked, the PIN code (that is, the PIN) is requested when the module is
started. To enable the SIM card lock, the PIN is requested. A maximum of three attempts to
enter the PIN is allowed. The AT+CLCK="SC",, command can be used to
block or unblock the SIM card. When =1, the SIM card will be blocked. When
=0, the SIM card will be unblocked. Before enabling the SIM card lock, it is
recommended that the AT+CPIN? command be used to check the current state of the SIM

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Security Settings Application
Scenarios

card lock. If "+CPIN: SIM PUK" is returned, the correct PUK must be entered to change the
SIM card settings.
Figure 9-2 Changing the SIM card configuration
Changing the SIM card configuration

Start
Request the PIN state.

AT+CPIN?

+CPIN: READY
Request the SIM
card lock state.

+CPIN: SIM PUK
AT+CLCK="SC",2

+CLCK: 0

Block the
SIM card.

+CLCK: 1

Unblock the
SIM card.

AT+CLCK="SC",1,

+CLCK: 1

+CLCK: 0

AT+CLCK="SC",0,

+CME ERROR:
SIM PUK required

+CME ERROR:
incorrect password

End

Incorrect input

9.2.2 Troubleshooting
Scenario

Possible Error
Information

Solution

AT+CLCK="SC",1,

+CME ERROR: operation
not allowed

If PIN authentication has
been enabled, it cannot be
enabled again. Check
whether PIN authentication
has been enabled.

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SIM Card Application Scenarios

10.1 SIM Card Access
10.1.1 Reference Process
Command

Description

AT+CRSM=192,28483

Obtains response from the EF.

+CRSM:
144,0,000000026F43040011F05501020000
OK
AT+CRSM=176,12258,0,0,10

Reads binary data from the EF.

+CRSM: 144,0,980000000000000000F3
OK
AT+CRSM=178,28484,1,4,255

Reads records from the EF (incorrect
input).

+CRSM: 103,28

The first parameter ='103'. '103' is
a decimal number corresponding to
hexadecimal number '67', which indicates
"illegal parameter ". The second
parameter ='xx', which indicates
the correct length (28 in the example) or
indicates that no information is provided.

AT+CRSM=178,28484,1,4,28

Reads the record of the last dialed
number from the EF.

+CRSM:
144,0,FFFFFFFFFFFFFFFFFFFFFFFFFFF
F0581420010F6FFFFFFFFFFFFFFFF
OK

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SIM Card Application Scenarios

The operations to access the SIM card depend on the value of , as described in
Table 10-1.
Table 10-1 Values of
Value

Read Binary Command

Function

176

READ BINARY

Read binary strings from the current data
domain.

178

READ RECORD

Read complete linear fixed or cyclic data domain
consisting of CURRENT, ABSOLUTE, NEXT,
and PREVIOUS.

192

GET RESPONSE

Return the basic information about the current
data domain, including the file type and size.

214

UPDATE BINARY

Update the current data domain.

220

UPDATE RECORD

Update all the records in the linear fixed or
cyclic data domain. There are four update
modes: CURRENT, ABSOLUTE, NEXT, and
PREVIOUS, of which only the PREVIOUS
mode can be used for cyclic files.

242

STATUS

Return the status information about the current
data domain.

The following table describes the components of the data returned in response to the READ
RECORD command.
Byte

Description

Length

1 to X

Alpha identifier

X byte(s)

X+1

BCD code length; number/SSC content

1 byte

X+2

TON and NPI

1 byte

X+3 to X+12

Dialed number/SSC string

10 bytes

X+13

Capacity/configuration identifier

1 byte

X+14

Extension1 record identifier

1 byte

Issue 01 (2015-07-31)

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SIM Card Application Scenarios

Figure 10-1 Reading record response values
Dialed number/SSC string
(24100016)

Alpha identifier

BCD code length,
number
/SSC content

Capacity/
configuration
identifier

TON and NPI

Extension
record identifier 1

Figure 10-2 Obtaining response
Obtaining response

Start
Request EF
response: (SMS status)
AT+CRSM=192,28483
Command ended
normally: 144, 0,...

+CRSM: 144,0,000000026
F43040011F05501020000
OK

End

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SIM Card Application Scenarios

Figure 10-3 Reading binary
Reading binary

Start

Read binary of "ICC identification"
from the EF.

AT+CRSM=176,12258,0,0,10
Return 144,0,....Command
ended normally.
+CRSM: 144,0,980000
000000000000F3

End

10.1.2 Troubleshooting
Scenario

Possible Error Information

Solution

Error information is returned
in response to one of the
previous commands.

+CME ERROR: SIM not inserted

Insert a SIM card.

Issue 01 (2015-07-31)

or
+CME ERROR: memory failure

HUAWEI ME906s LTE M.2 Module
Application Guide

Module Powering Off and Resetting
Application Scenarios

11.1 Restarting the ME
11.1.1 Reference Process
Command

Description

AT+CFUN=1,1

Restarts the module.

The ME can be reset or restarted using the AT+CFUN command. After the restart, the module
must register with the network and authenticate its SIM card's PIN.

11.1.2 Troubleshooting
None

11.2 Powering Off the ME
11.2.1 Reference Process
Command

Description

AT^MSO

Powers off the module.

After the command is received, the module will only do the preparative work of power-off
such as deregister. The host should cut off the power in order to finish the power-off
operation.

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Module Powering Off and Resetting
Application Scenarios

11.2.2 Troubleshooting
None

Issue 01 (2015-07-31)

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Application Guide

DPTF Application Scenarios

12.1 Setting Thermal Sensor with the Threshold
12.1.1 Reference Process
Command

Description

AT+XTSM=0,1,80000,3000,1000

Sets thermal sensor with the threshold. Indicates
that set the RF sensor 0 (only support 0) Alarm
ID 1,threshold is 80000-20000=60000
MilliDegC, Hysteresis is 3000 MilliDegC, and
the Sampling Period is 1000 ms.

The DPTF feature is used for host to monitor module temperature environment by Thermal
Sensor. Host can set several groups threshold to module, and module will unsolicited response
to host when module temperature exceed the threshold that host configures.

12.1.2 Troubleshooting
None

12.2 Querying the Current Temperature of a Thermal
Sensor
12.2.1 Reference Process
Command

Description

AT+XTAMR=0

Queries the temperature of thermal sensor.

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DPTF Application Scenarios

Command

Description

+XTAMR: 0,40000

Indicates that the current temperature of RF sensor is 40°C.

12.2.2 Troubleshooting
None

Issue 01 (2015-07-31)

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Application Guide

ACT Application Scenarios

13.1 Overview
The ACT (Adaptive Clocking Tuning) feature indicates that the host tunes the clock frequency
of components (such as display) which may interfere the WWAN (Wireless Wide Area
Network) radio of the module, according to the current frequency information of the module.
It can reduce the impact on the WWAN, and improve the performance of OTA (Over The
Air).

13.2 Adaptive Clocking
13.2.1 Reference Process
Command

Description

AT+XADPCLKFREQINFO=1

Enables ACT feature.

OK
AT+XADPCLKFREQINFO?

Queries the status of enabling/disabling the ACT
feature.

+XADPCLKFREQINFO: 1
OK
AT+XADPCLKFREQINFO=?

Queries Frequency information.

+XADPCLKFREQINFO:
2147600000,5000000,0
OK

The ACT feature is disabled when powered on. It can be enabled by using
AT+XADPCLKFREQINFO=1.

Issue 01 (2015-07-31)

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ACT Application Scenarios

After enabling the ACT feature, the AT command AT+XADPCLKFREQINFO=? can be
used to query the frequency information. If the ACT feature is not enabled, this command will
return ERROR.
When the frequency information has been changed, the unsolicited command
+XADPCLKFREQINFO will unsolicited present the frequency information.

13.2.2 Troubleshooting
Scenario

Possible Error
Information

Solution

AT+XADPCLKFREQINFO
=?

ERROR

Run
AT+XADPCLKFREQINF
O=1 to enable ACT feature.

Issue 01 (2015-07-31)

Query current frequency
information returns error.

HUAWEI ME906s LTE M.2 Module
Application Guide

GPS Application Scenarios

14.1 Introduction to GPS
14.1.1 GPS Positioning Methods
Table 14-1 GPS positioning methods
Positioning
methods

Description

Benefits

Drawbacks

Standalone

This is a traditional
GPS positioning
method. Using this
method, a module
receives satellite
signals directly and
makes calculations
to obtain positioning
results.

No communication
with the network is
invoked, incurring
no data traffic
between the module
and the network.

Long time to first fix
(TTFF) in code
mode.

Mobile Station
Based (MSB)
positioning using the
User Plane Protocol

Requests the
assistant data from
the network to assist
and accelerate the
positioning. This
method is one of the
Assisted GPS
(A-GPS) methods.



Significantly
reduces the
TTFF after cold
start and
increases the rate
of successful
positioning.

Requires the
assistant data from
the network,
incurring network
traffic.



Enables
positioning in
environments
with very poor
satellite signals.

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Application Guide

GPS Application Scenarios

Positioning
methods

Description

Benefits

Drawbacks

Mobile Station
Assisted (MSA)
using the User Plane
Protocol

Requests data from
the network to assist
and accelerate the
positioning. After
receiving satellite
data, the module
sends the satellite
data to the network
for calculations, and
the network returns
the calculation
results to the
module. This
method is one of the
A-GPS methods.



Reduces the
TTFF after cold
start and
increases the rate
of successful
positioning.

Requires complex
interaction with the
network, incurring
network traffic.



Hands most
workload to the
network,
reducing the
module's
workload.



Enables
positioning in
environments
with poor
satellite signals
(network
dependent).

Uses both the GPS
and GLONASS for
positioning.

Using more
satellites, increases
the successful
positioning rate and
the positioning
accuracy.

Global navigation
satellite system
(abbreviated as
GNSS)

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Application Guide

GPS Application Scenarios

14.1.2 GPS Ports
Figure 14-1 PC UI Interface and GPS Interface detected after the module is connected to a
computer

The PC UI Interface port could be used to send GPS-related AT commands, and the GPS
Interface port could be used to send unsolicited indications for NMEA positioning data.

Issue 01 (2015-07-31)

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GPS Application Scenarios

Figure 14-2 Data sent through the GPS interface and PC UI interface ports

Open GPS Interface, then the positioning starts. So if you want to start the positioning by AT command
in PC UI Interface, you need execute AT^WPDGP command in PC UI Interface before opening GPS
Interface.

14.2 Standalone Positioning
Command

Description

AT^WPDOM=0

Sets the positioning method to Standalone.

OK
Sets the session type to single positioning.

AT^WPDST=0
OK

Sets the session type to tracking positioning.

AT^WPDST=1
OK
AT^WPDFR=0,1

Sets unlimited positioning times and the interval between each
positioning for the tracking and positioning. If the session is a
single positioning, you do not need to set these parameters.

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Application Guide

GPS Application Scenarios

Command

Description

AT^WPDFR=10,2

Sets the number of positioning times and the interval between
each positioning for the tracking and positioning. If the session
is a single positioning, you do not need to set these
parameters.

OK
Starts positioning.

AT^WPDGP
OK
^POSEND: -1,9

The first value indicates positioning end reason, and the
second indicates the left positioning times.



The standalone method can be used when the module has no SIM card inserted.



If there is an ongoing positioning session, the session must be terminated before setting the
positioning parameters so that the parameters can take effect for the positioning to be started. This
rule applies to all positioning methods.



If the current positioning session is started by executing AT^WPDGP, execute AT^WPEND
command in the same interface can terminate it.



If the current positioning session is started by opening GPS interface, close GPS interface can
terminate it.

14.3 MSB Positioning Using the User Plane Protocol
Command

Description

AT^WPDOM=5

Sets the positioning method to MSB.

OK
Sets the session type to tracking and positioning.

AT^WPDST=1
OK
AT^WPDFR=0,1

Sets unlimited positioning times and the interval
between each positioning for the tracking and
positioning.

OK
AT^WPURL=SUPL.EXAMPLE.
COM:7276

Sets the A-GPS server address and port number.
This address is just an example, not a real A-GPS
server. Some of the A-GPS server requires
certificate authentication.

OK
AT^WPDGP

Starts positioning.

Issue 01 (2015-07-31)

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Application Guide

GPS Application Scenarios

Command

Description

^POSEND: -1,65535

The first value indicates positioning end reason, and
the second indicates the left positioning times.

The MSB method requires the module to register with a network, and will incur data traffic during
positioning. When the MSB positioning fails, the module will automatically switch to the standalone
positioning.

14.4 MSA Positioning Using the User Plane Protocol
Command

Description

AT^WPDOM=1

Sets the positioning method to MSA

OK
AT^WPURL=SUPL.EXAMPLE.
COM:7276

Sets the A-GPS server address and port number.
This address is just an example, not a real A-GPS
server. Some of the A-GPS server requires
certificate authentication.

OK
Starts positioning.

AT^WPDGP
OK
^POSEND: -1,0

The first value indicates positioning end reason, and
the second indicates the left positioning times.

The MSA method requires the module to register with a network, and will incur data traffic during
positioning. When the MSA positioning fails, the module will automatically switch to the standalone
positioning.

14.5 GNSS Positioning
The GNSS positioning uses both the GPS and GLONASS satellites for positioning.
Command

Description

AT^WPCAP=3

Sets GNSS as the positioning system to use both the
GPS and GLONASS satellites for positioning.

Issue 01 (2015-07-31)

HUAWEI ME906s LTE M.2 Module
Application Guide

GPS Application Scenarios

Command

Description

AT^WPDOM=a value within
the value range

For the MSA and MSB positioning methods, the data
obtained from the server is two-line orbital elements of
GPS satellites, which will not help the GLONASS
positioning, but the module will still search for
GLONASS satellites.

OK
Sets the session type to tracking and positioning.

AT^WPDST=1
OK
AT^WPDFR=0,1

Sets unlimited positioning times and the interval
between each positioning for the tracking and
positioning.

OK
Starts positioning.

AT^WPDGP
OK
^POSEND: -1,65535

Issue 01 (2015-07-31)

The first value indicates positioning end reason, and the
second indicates the left positioning times.

HUAWEI ME906s LTE M.2 Module
Application Guide

Appendix

15.1 Relative Documents


HUAWEI ME906s LTE M.2 Module AT Command Interface Specification



3GPP TS 22.004 General on supplementary services



3GPP TS 23.040 Technical realization of the Short Message Service (SMS)



3GPP TS 24.008 Mobile radio interface Layer 3 specification; Core network protocols;
Stage 3



3GPP TS 27.005 Equipment (DTE-DCE) interface for Short Message Service (SMS) and
Cell Broadcast Service (CBS)



3GPP TS 27.007 AT command set for User Equipment (UE)



3GPP TS 29.002 Mobile Application Part (MAP) specification



3GPP TS 31.102 Universal Subscriber Identity Module (USIM) application



ETSI TS 102.221Smart Cards; UICC-Terminal interface; Physical and logical
characteristics



GSM 07.05 Equipment (DTE - DCE) interface for Short Message Service (SMS) and
Cell Broadcast Service (CBS)

15.2 Acronyms and Abbreviations
Table 15-1 List of Abbreviations
Abbreviation

Expansion

ACT

Adaptive Clocking Tuning

APN

Access Point Name

CDMA

Code Division Multiple Access

Circuit Switched (CS) Domain

DPTF

Dynamic Power and Temperature Framework

GNSS

Global Navigation Satellite System

Issue 01 (2015-07-31)

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Application Guide

Appendix

Abbreviation

Expansion

GPRS

General Packet Radio Service

GPS

Global Position System

GSM

Global System for Mobile Communications

IMEI

International Mobile Equipment Identity

IMSI

International Mobile Subscriber Identity

Internet Protocol

LTE

Long Term Evolution

Mobile Equipment

Mobile Terminal

NMEA

National Marine Electronics Association

OTA

Over The Air

PDP

Packet Data Protocol

PDU

Protocol Data Unit

Personal Identity Number

PLMN

Public Land Mobile Network

PPP

Point-to-Point Protocol

PUK

PIN Unblocking Key

Packet Switched (PS) Domain

QoS

Quality of Service

Radio Frequency

RSSI

Receive Signal Strength Indicator

SCA

Service Center Address

SIM

Subscriber Identity Module

Short Message

SMS

Short Message Service

SMSC

Short Message Service

Terminal Equipment

TPDU

Transfer Protocol Data Unit

UIM

User Identity Module

URC

Unsolicited Result Code

USIM

Universal Subscriber Identity Module

Issue 01 (2015-07-31)

Center

HUAWEI ME906s LTE M.2 Module
Application Guide

Abbreviation

Expansion

USSD

Unstructured Supplementary Service Data

Validity Period

WCDMA

Wideband CDMA

WWAN

Wireless Wide Area Network

Appendix

Table 15-2 Phonebook-related abbreviations
Abbreviation

Full Name

SIM phonebook

MT last dialed number

SIM emergency number

SIM fixed dialing number

SIM own numbers

Recent call list on the MT

MT missed call list

Issue 01 (2015-07-31)

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