Westermo GDW-11 - Manual (Page 191)

Specific AT commands 191 6615-2220
+WLCK – Lock command
Description:
This command allows the ME to be locked on a specific network operator.
NOTE:
Test SIM cards (with MCC=001 & MNC=01) doesn’t check these locks.
Syntax:
AT+WLCK=,,[,[,GID2]] [,[,]]
Response syntax:
+WLCK:
Parameters:
“PS”: SIM lock facility with a 8 digits password (PCK).
“PN”: Network lock with a 8 digits password (NCK).
“PU”: Network subset lock with a 8 digits password (NSCK).
“PP”: Service provider lock with a 8 digits password (SPCK).
“PC”: Corporate lock with a 8 digits password (CCK).
Type of lock for cooperative network list (CNL)
0: Automatic (co-operative network list retrieved from EFCNL SIM file)
Note: EFCNL file must be present in SIM to use automatic mode.
1: Manual (cooperative network list is given in the parameter)
Co-operative network list (hexa string type) using same format as in EFCNL SIM file
(ETSI GSM 11.11 or 3GPP 04.08).
NOTE:
Only if = 1