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HUAWEI ME909u-521 LTE LGA Module
Application Guide
Initialization Application Scenarios
Issue 01 (2013-07-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
16
2.3 Network Service Operations
2.3.1 Reference Process
Command
Description
AT+CFUN?
Query a module's current mode. 1 indicates online
mode.
+CFUN: 1
OK
AT+CPIN?
Query whether a module's SIM card is password
protected. READY indicates that the SIM card is
ready.
+CPIN: READY
OK
AT^HCSQ?
Query the network signal quality.
^HCSQ:
"WCDMA",30,30,58
OK
AT+COPS?
Return the current network selection mode,
information about the operator with which the
module is registered, and the wireless access
standard.
+COPS: "Network status
information"
OK
For example: +COPS: 1,0, "China Mobile Com"
AT+COPS=0
Automatically search for networks.
OK
AT+CREG?
Query the state of the currently registered network.
+CREG: 0,1
OK
AT+CREG=1
Set the +CREG unsolicited indication.
OK