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. 76
8.2.1 Checking the Current Available Network and Operator Information
Test
command
AT+COPS=?
Function Returns the current available network and operator information.
Response z In case of successful execution:
<CR><LF>+COPS: [list of present operators(<opStatus>,long
alphanumeric <oper>,short alphanumeric <oper>,numeric <oper>)],,(list
of supported <mode>),(list of supported <format>)<CR><LF>
<CR><LF>OK<CR><LF>
z In case of an error during command execution:
<CR><LF>ERROR<CR><LF>
z In case of an error related to the MT during command execution:
<CR><LF>+CME ERROR: <err><CR><LF>
Note:
It takes a long time for this command to query the current available network.
Parameter description
<mode>: network selection mode, whose values are as follows:
z 0 (default value): automatic mode (other parameters are omitted)
z 1: manual network searching
2: deregisters a network and maintains the network in unregistered state until
<mode>=0, 1, or 4 (This is not supported currently).
z 3: sets the value of <format> in the result returned by the READ command
z 4: combination of automatic and manual network searching modes. If manual
network searching fails, the automatic network searching mode is started.
< opStatus >: network status identifier, whose values are as follows:
z 0: unknown
z 1: available
z 2: currently registered
z 3: disabled
<format>: format of the operator information <oper>. The values of this parameter
are as follows:
z 0 (default value): operator information <oper> in long string format, which
consists of not more than 16 characters.
z 2: operator information <oper> in numeric format.
<oper>: operator information. In a test command, the operator name follows the long
string format and numeric format. In a read command, the operator name contains all
fields.