Huawei ME936 User guide

HUAWEI ME936 LTE M.2 Module
Application Guide
Issue
02
Date
2017-12-11

HUAWEI ME936 LTE M.2 Module
Application Guide
About This Document
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Copyright © Huawei Technologies Co., Ltd. 2017. All rights reserved.
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Notice
Some features of the product and its accessories described herein rely on the software installed, capacities
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HUAWEI ME936 LTE M.2 Module
Application Guide
About This Document
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About This Document
Revision History
Document
Version
Date
Chapter
Description
01
2014-05-28
Creation
02
2017-12-11
Deleted privacy policy

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Application Guide
Contents
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Contents
1 Introduction....................................................................................................................................9
1.1 Overview .......................................................................................................................................... 9
1.2 Conventions and Definitions ............................................................................................................ 9
1.2.1 Conventions............................................................................................................................. 9
1.2.2 Definitions................................................................................................................................ 9
1.2.3 Legends................................................................................................................................. 10
1.3 Basic AT Command Processing Principles .....................................................................................11
1.3.1 Ports .......................................................................................................................................11
1.3.2 AT Command Processing Mechanism....................................................................................11
1.3.3 Recommended Timeout Mechanism for AT Commands Processed by a Host..................... 12
2 Basic Application Scenarios......................................................................................................14
2.1 Querying the IMEI .......................................................................................................................... 14
2.1.1 Reference Process................................................................................................................ 14
2.1.2 Troubleshooting..................................................................................................................... 15
2.2 Querying Additional Information..................................................................................................... 15
2.2.1 Reference Process................................................................................................................ 15
2.2.2 Troubleshooting..................................................................................................................... 16
3 Airplane Mode Application Scenarios ...................................................................................17
3.1 Overview ........................................................................................................................................ 17
3.2 Setting the Flight Mode .................................................................................................................. 17
3.2.1 Reference Process................................................................................................................ 17
3.2.2 Troubleshooting..................................................................................................................... 18
4 BodySAR Application Scenarios .............................................................................................19
4.1 Overview ........................................................................................................................................ 19
4.2 Enabling/Disabling BodySAR......................................................................................................... 19
4.2.1 Reference Process................................................................................................................ 19
4.2.2 Troubleshooting..................................................................................................................... 20
4.3 Adjusting the WCDMATransmitted Power Using the BodySAR Feature...................................... 20
4.3.1 Reference Process................................................................................................................ 20
4.3.2 Troubleshooting..................................................................................................................... 21
4.4 Adjusting the GSM Transmitted Power Using the BodySAR Feature............................................ 21
4.4.1 Reference Process................................................................................................................ 21

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4.4.2 Troubleshooting..................................................................................................................... 23
4.5 Adjusting the LTE Transmitted Power Using the BodySAR Feature.............................................. 23
4.5.1 Reference Process................................................................................................................ 23
4.5.2 Troubleshooting..................................................................................................................... 24
4.6 Usage Description Of BodySAR Feature....................................................................................... 24
4.6.1 Reference Description........................................................................................................... 24
4.6.2 Troubleshooting..................................................................................................................... 25
4.7 Setting the BodySAR Type............................................................................................................. 25
4.7.1 Reference Process................................................................................................................ 25
4.7.2 Troubleshooting..................................................................................................................... 25
5 Network Searching and Registration Application Scenarios.............................................26
5.1 Searching and Registering Network............................................................................................... 26
5.1.1 Reference Process................................................................................................................ 26
5.1.2 Troubleshooting..................................................................................................................... 28
6 SMS Application Scenarios ......................................................................................................29
6.1 Overview ........................................................................................................................................ 29
6.2 Initializing SMS............................................................................................................................... 31
6.2.1 Reference Process................................................................................................................ 31
6.2.2 Troubleshooting..................................................................................................................... 35
6.3 Sending Short Messages............................................................................................................... 35
6.3.1 Reference Process................................................................................................................ 35
6.3.2 Troubleshooting..................................................................................................................... 37
6.4 Reading Short Messages............................................................................................................... 38
6.4.1 Reference Process................................................................................................................ 38
6.4.2 Troubleshooting..................................................................................................................... 40
6.5 Deleting Short Messages............................................................................................................... 40
6.5.1 Reference Process................................................................................................................ 40
6.5.2 Troubleshooting..................................................................................................................... 42
7 Phonebook Application Scenarios ..........................................................................................43
7.1 Overview ........................................................................................................................................ 43
7.2 Initializing the Phonebook .............................................................................................................. 43
7.2.1 Reference Process................................................................................................................ 43
7.2.2 Troubleshooting..................................................................................................................... 44
7.3 Reading Phonebook Entries .......................................................................................................... 45
7.3.1 Reference Process................................................................................................................ 45
7.3.2 Troubleshooting..................................................................................................................... 46
7.4 Writing Phonebook Entries............................................................................................................. 47
7.4.1 Reference Process................................................................................................................ 47
7.4.2 Troubleshooting..................................................................................................................... 48
8 Data Service Application Scenarios ........................................................................................50

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8.1 Overview ........................................................................................................................................ 50
8.2 Initializing Data Service Settings.................................................................................................... 51
8.2.1 Reference Process................................................................................................................ 51
8.2.2 Troubleshooting..................................................................................................................... 51
8.3 Attaching/Detaching PS ................................................................................................................. 51
8.3.1 Reference Process................................................................................................................ 51
8.3.2 Troubleshooting..................................................................................................................... 52
8.4 Defining PDP Contexts................................................................................................................... 52
8.4.1 Reference Process................................................................................................................ 52
8.4.2 Troubleshooting..................................................................................................................... 53
8.5 Activate PDP Contexts and Enter Data Mode................................................................................ 53
8.5.1 Reference Process................................................................................................................ 53
8.5.2 Troubleshooting..................................................................................................................... 54
9 Security Settings Application Scenarios ................................................................................55
9.1 Changing the SIM PIN ................................................................................................................... 55
9.1.1 Reference Process................................................................................................................ 55
9.1.2 Troubleshooting..................................................................................................................... 56
9.2 Changing the SIM Card Configuration........................................................................................... 57
9.2.1 Reference Process................................................................................................................ 57
9.2.2 Troubleshooting..................................................................................................................... 58
10 SIM Card Application Scenarios ...........................................................................................59
10.1 SIM Card Access.......................................................................................................................... 59
10.1.1 Reference Process.............................................................................................................. 59
10.1.2 Troubleshooting................................................................................................................... 62
11 Module Powering Off and Resetting Application Scenarios...........................................63
11.1 Restarting the ME......................................................................................................................... 63
11.1.1 Reference Process .............................................................................................................. 63
11.1.2 Troubleshooting ................................................................................................................... 63
11.2 Powering Off the ME .................................................................................................................... 63
11.2.1 Reference Process .............................................................................................................. 63
11.2.2 Troubleshooting ................................................................................................................... 64
12 DPTF Application Scenarios...................................................................................................65
12.1 Setting Thermal Sensor with the Threshold................................................................................. 65
12.1.1 Reference Process.............................................................................................................. 65
12.1.2 Troubleshooting................................................................................................................... 65
12.2 Querying the Current Temperature of a Thermal Sensor............................................................. 65
12.2.1 Reference Process.............................................................................................................. 65
12.2.2 Troubleshooting................................................................................................................... 66
13 ACT Application Scenarios.....................................................................................................67
13.1 Overview ...................................................................................................................................... 67

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13.2 Adaptive Clocking......................................................................................................................... 67
13.2.1 Reference Process.............................................................................................................. 67
13.2.2 Troubleshooting................................................................................................................... 68
14 GPS Application Scenarios .....................................................................................................69
14.1 Introduction to GPS...................................................................................................................... 69
14.1.1 GPS Positioning Methods ................................................................................................... 69
14.1.2 GPS Ports............................................................................................................................ 71
14.2 Standalone Positioning ................................................................................................................ 72
14.3 MSB Positioning Using the User Plane Protocol ......................................................................... 73
14.4 MSA Positioning Using the User Plane Protocol.......................................................................... 74
14.5 GNSS Positioning......................................................................................................................... 74
15 Appendix ....................................................................................................................................76
15.1 Relative Documents..................................................................................................................... 76
15.2 Acronyms and Abbreviations........................................................................................................ 76

HUAWEI ME936 LTE M.2 Module
Application Guide
Introduction
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1 Introduction
1.1 Overview
This document is intended to provide references for customers to choose appropriate
command sequences to start using the ME936 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 and Windows 8.1, 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.

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Term
Definition
Module
HUAWEI LTE module
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: clarifies the scenario.
End.
Dataflow: indicates the next step to which the
service goes or the indication reported from an
action.
Application Mobileequipment
GSM network
Mobile Network
Comment

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1.3 Basic AT Command Processing Principles
1.3.1 Ports
The ME936 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, forAT 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 ME936 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 usingAT commands. IfAT commands are unavailable, a
module can be deemed as unavailable.
1.3.2 AT Command Processing Mechanism
A module processesAT commands from the ports (MODEM, PCUI, and GPS) in
series. The AT commands can parallel processing. It means that an AT command can
be processed when the previousAT command processing hasn't been completed.
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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Introduction
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Figure 1-1 AT command processing sequence diagram
TE UE
AT command 1
AT command 2
Return results of AT command 1
AT command 3
Process AT
command 2
Process AT
command 1
Process AT
command 3
Return results of AT command 3
Return results of AT command 2
1.3.3 Recommended Timeout Mechanism for AT Commands
Processed by a Host
A module processesAT 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
10s
AT+CMGS (used to send PDU messages)
60s
AT+COPS=? (used to search for networks)
180s
After anAT command times out, it is recommended that the host check whether the
module is functioning normally. The following procedure is provided for your
reference:

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1. The host sends the AT command to the module.
2. If the module returns failure information, go to step 5. Otherwise, go to step 3.
3. If the module returns success information, the module is functioning normally.
4. 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.
5. 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
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2 Basic Application Scenarios
2.1 Querying the IMEI
2.1.1 Reference Process
Command
Description
AT+GSN/AT+CGSN
Queries the IMEI.
IMEI
OK
For example: 350050500005492
Figure 2-1 Querying the IMEI

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2.1.2 Troubleshooting
Scenario
Possible Error
Information
Solution
AT+GSN/AT+CGSN
+CME ERROR: memory
failure
This error occurs when a
module's IMEI is not specified.
This problem is solved after
the IMEI is written into the
module.
2.2 Querying Additional Information
2.2.1 Reference Process
Command
Description
ATI
Queries the product information.
Product information
OK
For example:
Manufacturer: Huawei Technologies Co., Ltd.
Model: ME936
Revision: 11.350.16.00.00
IMEI: 350050500005492
+GCAP: +CGSM
AT+GMR/AT+CGMR
Queries software version.
Software version
OK
Software version. e.g. 11.350.16.00.00
AT+GMI/AT+CGMI
Queries manufacturer information.
Manufacturer
identification
OK
Huawei Technologies Co., Ltd.
AT+GMM/AT+CGMM
Queries model name.
Model identification
OK
ME936

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2.2.2 Troubleshooting
None

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Airplane Mode Application Scenarios
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3 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 on.
OK
AT^RFSWITCH?
Queries the states of the software and hardware
controlled RF switches.
^RFSWITCH: 1,1
OK
Indicates the software switch is on, and the hardware
switch is on.
AT^RFSWITCH=0: sets the software-controlled RF switch to off.
AT^RFSWITCH=1: sets the software-controlled RF switch to 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:
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
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4 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.
OK
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.

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4.2.2 Troubleshooting
Scenario
Possible Error
Information
Solution
AT^BODYSARON=0
OK
AT^BODYSARON?
^BODYSARON: 1
OK
It means HW pin enabled
BodySAR function.
4.3 Adjusting the WCDMA Transmitted Power Using the
BodySAR Feature
4.3.1 Reference Process
Command
Description
AT^BODYSARWCDMA
=20,00000001,18,00000
09a
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 IV, WCDMA V and WCDMA VIII Tx power
limit to 18.
OK
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.

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Figure 4-1 Adjusting the WCDMAtransmitted power
4.3.2 Troubleshooting
None
4.4 Adjusting the GSM Transmitted Power Using the
BodySAR Feature
4.4.1 Reference Process
Command
Description
AT^BODYSARGSM=28
,00000001,25,00000004
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.
OK
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
User inputs
parameters.
Save the parameters.
Is the BodySAR
fearure enabled?
Adjust the maximum WCDMA
transmitted power to be less than the
specified value.
End
N
Y
Adjust the WCDMA transmitted power
using the BodySARfeature