Quectel GSM/GPRS Module Series - 3.4 AT+QCHINFO Command Example

GSM/GPRS Module Series
GSM QuecCell AT Commands Manual
GSM_QuecCell_AT_Commands_Manual Confidential / Released 18 / 27
OK
AT+QLOCKF? //Whether or not to lock the base station.
+QLOCKF: 1 //Already locked.
OK
AT+QLOCKF=0 //Unlock all.
OK
AT+QLOCKF? //Whether or not to lock the base station.
+QLOCKF: 0 //Not locked.
OK
AT+QLOCKF=1,0,26,49,15 //Lock to 26,49,15 three frequency points.
OK
AT+QENG?
+QENG: 1,1
+QENG: 0,460,00,1877,871,49,55,-86,64,64,5,8,x,x,x,x,x,x,x
+QENG:
1,1,26,-86,28,47,47,460,0,1806,2031,2,15,-91,54,43,43,460,0,1877,11,3,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
OK
AT+QLOCKF=0 //Unlock all
OK
3.4. AT+QCHINFO
This command can report the detailed network information of the serving channel. It can be set as report
or query mode. The example is as below.
AT+QENG=1,3 //Enable engineering mode 1.
OK
AT+QCHINFO? //Query detailed information of the serving channel.
+QCHINFO: 3,9,-50,8,255,255,255
OK
ATD15618380236;
Quectel
Confidential