User guide

GPS AT COMMANDS SET
167 AT Commands for EV-DO-EV3 Modems
Parameters and Values
<mode>
0 GPS Unlock.
1 Mobile initiated call is locked.
2 Mobile terminated call is locked.
3 Except emergency call, all is locked.
Notes
Applies to both control and user plane GPS.
Example
AT$GPSLOCK=?
$GPSLOCK: (0-3)
OK
AT$GPSLOCK?
$GPSLOCK: 0
OK
AT$GPSLOCK=3
OK