Specifications

Smart Machine Smart Decision
SIM900_AT Commands Manual_V1.07 68 2012.12.10
TA returns a list of quadruplets, each representing an operator present in
the network. Any of the formats may be unavailable and should then be an
empty field. The list of operators shall be in order: home network,
networks referenced in SIM, and other networks.
+COPS: (list of supported<stat>,long alphanumeric<oper>,short
alphanumeric<oper>,numeric <oper>)s[,,(list of supported <mode>s),
(list of supported <format>s)]
OK
If error is related to ME functionality:
+CME ERROR: <err>
AT+COPS=?
Parameters
See Write Command
Response
TA returns the current mode and the currently selected operator. If no
operator is selected, <format> and <oper> are omitted.
+COPS: <mode>[,<format>,<oper>]
OK
If error is related to ME functionality:
+CME ERROR: <err>
Read Command
AT+COPS?
Parameters
See Write Command
Response
TA forces an attempt to select and register the GSM network operator. If
the selected operator is not available, no other operator shall be selected
(except <mode>=4). The selected operator name format shall apply to
further read commands (+COPS?).
OK
If error is related to ME functionality:
+CME ERROR: <err>
Write Command
AT+COPS=
<mode>,
[<format>[,<oper
>]]
Parameters
<stat> 0 Unknown
1 Operator available
2 Operator current
3 Operator forbidden
<oper>
Refer to [27.007]
operator in format as per <format>
<mode> 0 Automatic mode; <oper> field is ignored
1 Manual (<oper> field shall be present, and <AcT>
optionally)
4 Manual/automatic (<oper> field shall be present); if
manual selection fails, automatic mode (<mode>=0) is