Quectel GSM/GPRS Module Series - 3.3 AT+QLOCKF Command Example

GSM/GPRS Module Series
GSM QuecCell AT Commands Manual
GSM_QuecCell_AT_Commands_Manual Confidential / Released 17 / 27
7,151,4,516,-95,48,12,28,460,00,1806,2081,5,x,x,x,x,x,x,x,x,x,6,x,x,x,x,x,x,x,x,x //The neighboring
cell information.
+QENG: 2,9,55,64,68,83,94 //Cell frequency list (CA) of the serving cell (ARFCN is 9).
OK
3.3. AT+QLOCKF
By getting some information of the nearby Base Stations via AT+QOPS or AT+QENG, and locking a
certain Base Station using AT+QLOCKF command, the module can work very well. The following is the
example on how to lock the base station after querying Base Station information via AT+ QENG.
RDY
+CFUN: 1
+CPIN: NOT INSERTED //Without SIM card inserted.
AT+QENG=1,1
OK
AT+QENG?
+QENG: 1,1
+QENG: 0,460,00,1877,872,9,52,-62,159,159,5,8,x,x,x,x,x,x,x
+QENG:
1,1,22,-73,49,115,115,460,0,1877,13,2,24,-77,15,98,98,460,0,1877,152,3,26,-83,28,57,57,460,0,1806,2
031,4,49,-84,55,71,71,460,0,1877,871,5,583,-86,50,63,63,460,0,1877,3a3,6,15,-88,54,53,53,460,0,1877
,11
OK
AT+QLOCKF =1,0,22 //Lock to the base station of 22 and its ARFCN is 22. Since 22 is not belonged
to the 1900 band, so the second parameter is 0.
OK
AT+QENG?
+QENG: 1,1
+QENG: 0,460,00,1877,13,22,49,-76,102,102,5,8,x,x,x,x,x,x,x //Lock to 22 successfully.
+QENG:
1,1,x,x,x,x,x,x,x,x,x,2,x,x,x,x,x,x,x,x,x,3,x,x,x,x,x,x,x,x,x,4,x,x,x,x,x,x,x,x,x,5,x,x,x,x,x,x,x,x,x,6,x,x,x,
x,x,x,x,x,x
Quectel
Confidential