AT Command Reference
Command
<oper>,<AcT>]
AT+CPIN?
AT+CPIN=<n>
70
Description
AT+COPS=0
AT+COPS=1
AT+COPS=2
AT+COPS=4
0
<format>
2
<oper>
Note: The parameter <AcT> is is only available for the i-modul UMTS 4.1
basic
0
<AcT>
2
An automatic selection of the access technology (depending on the net-
work coverage) is default setting. This default setting is restored, if the
command AT+COPS= is entered without the parameter <AcT>, e.g.:
AT+COPS=0.
A list of the available network providers can be displayed using the com-
mand AT^SPLM.
Querying the required password
Response (selection):
No entry required
READY
Enter SIM card PIN
SIM PIN
Enter SIM card PUK (after repeated incorrect entry of the PIN)
SIM PUK
Entering the SIM card of the PIN
4-digit number
<n>
The following command is to be used to enter the PUK (if the PIN has been
incorrectly entered several times):
AT+CPIN=<PUK>,<new PIN>
Automatic (default)
Manual selection <oper>
Logout from GSM network
Manual selection <oper> - if not available,
automatic selection
Alphanumerical information (up to 16 digits) for
<oper> (default)
Numerical information for <oper>
Specification of the network provider
Access only via UMTS
Access only via GSM
INSYS GSM small 2.0
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