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HUAWEI ME909u-521 LTE LGA Module
Application Guide
Network Searching and Registration Application
Scenarios
Issue 01 (2013-07-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
18
3 Network Searching and Registration
Application Scenarios
3.1 Searching and Registering Network
3.1.1 Reference Process
Command
Description
AT+COPS=0
Enable automatic search for networks.
OK
AT+COPS=1,2,"46000"
Manual search for the appointed network.
OK
AT+COPS=?
Search for all networks, and return the
networks.
OK
AT+CREG=2
Enable the unsolicited indication when
network registration state changes.
OK
AT^SYSCFGEX="00",3FFFFFFF
,1,2,7FFFFFFFFFFFFFFF,,
Set the system mode, network access order,
frequency band, roaming support, domain,
and other features.
OK
AT^SYSINFOEX
Query the system service state, domain,
roaming status, and system mode.
^SYSINFOEX:
2,3,0,1,,1,"GSM",3,"EDGE"
OK
AT^HCSQ?
Query the signal quality.