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HUAWEI MG323 GSM M2M Module
AT Command Interface Specification Commands for Network Services
Issue 02 (2010-11-23)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
80
8.3.4 +CREG – Command for Unsolicitedly Reporting the
Network Registration Status
URC
z
If AT+CREG is set to 1, when the network registration status is
changed:
<CR><LF>+CREG:<stat><CR><LF>
z
If AT+CREG is set to 2, when the network registration status or
network cell is changed:
z
<CR><LF>+CREG:<stat>[,<lac>,<ci>]<CR><LF>
Function
Indicates that the network registration status is changed.
8.3.5 Examples
Example 1:
Query the current status of network registration.
AT+CREG?
+CREG: 0,1 Has been registered with the local network
and does not unsolicitedly report the CREG information.
OK
Example 2:
Set unsolicited reporting of the current +CREG information.
AT+CREG=2
OK
8.4 AT+CSQ - Command for Querying the Signal Quality
The AT+CSQ command queries the signal quality and returns the receive signal
strength indicator <rssi> and channel bit error rate <ber> that are sent by the ME.