NB-IoT Module Series
BC26 AT Commands Manual
BC26_AT_Commands_Manual 57 / 73
Parameter
6.4. AT+QFRCLLCK Frequency & Cell Lock
This command is used to lock UE to specific frequency and optionally Cell ID.
Parameter
<mode>
Integer
0: New algorithm (default)
1: Old algorithm
AT+QFRCLLCK Frequency & Cell Lock
Execution Command
AT+QFRCLLCK=<lock>[,<earfcn>,<ea
rfcn_offset>[,<pci>]]
Response
OK
Otherwise response:
ERROR
Test Command
AT+QFRCLLCK=?
Response
OK
Read command
AT+QFRCLLCK?
Response
OK
<lock>
Integer value indicating whether to activate lock, or remove lock:
0
Remove lock
1
Activate lock
<earfcn>
Integer value indicating requested EARFCN on which to lock. Range 0- 262143. Value
of 0 indicates to remove any lock for EARFCN and Cell
<earfcn_offset>
Integer value indicating requested EARFCN offset:
0
Offset of -2
1
Offset of -1
2
Offset of -0.5
3
Offset of 0
4
Offset of 1
<pci>
Integer value: Physical cell ID. Range: 0-503
