Siemens M1 - Manual (Page 37)

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gsm-m1-e.fm GSM M1 Module, English: A24859-N4000-A100-1-7677
Technical reference section
26.2.96
Example:
Enter: AT+CREG?
GSM module: +CREG: 0,0 => not registered
OK
These commands allow you to read out the current network operator, display a list of
available network operators or select a operator directly. Various command extensions
are available.
This command displays the network operator that is currently selected. It also provides
you with information on whether the radio modem has selected this network operator
automatically or whether you manually instructed it to select this operator.
A result code with the following format is returned in response to the AT+COPS? com-
mand:
AT+COPS - Operator selection
AT+COPS
Command Result
AT+COPS? Displays current network operator.
AT+COPS=? Displays a list of network operators that are currently
available via radio.
AT+COPS=<mode n>,
<format f>,
<network operator> Allows you to instruct the GSM module to use a spe-
cific network operator.
AT+COPS? - Display current network operator
AT+COPS?
Command AT+COPS?
Result code +COPS: <mode n>, <format f>, <operator>