GSM/GPRS Module Series
GSM QuecCell AT Commands Manual
GSM_QuecCell_AT_Commands_Manual Confidential / Released 20 / 27
3.6. AT+QFORBIDMNC
The command can forbid the specified operator and radio bands. The operator is CU-GSM. Its MCC is
“460” and MNC is “01”. It has two radio bands, one is GSM 900, and the other is PCS 1800. The following
example shows how to forbid the operator.
RDY
+CFUN: 1
+CPIN: NOT READY
//Without SIM card inserted.
//Forbid CU-GSM
AT+QFORBIDMNC=1,1,"46001F0100"
//Forbid 46001 in the GSM 900 band.
OK
AT+QFORBIDMNC=1,2,"46001F0200"
//Forbid 46001 in the PCS 1800 band.
OK
AT+QFORBIDMNC=0,1
//Read the first forbidden data.
+QFORBIDMNC: "46001F0100"
//Forbid 46001 in the GSM 900 band.
OK
AT+QFORBIDMNC=0,2
//Read the second forbidden data.
+QFORBIDMNC: "46001F0200"
//Forbid 46001 in the PCS 1800 band.
OK
//The above settings will take effect after reboot.
//Restart the module.
//No matter SIM card is inserted or not, the module will not camp on the operator CU-GSM.
3.7. AT+QSCANF
This command can scan the specified frequency or a certain band, and then show the list of ARFCN and
RxLevel from the strongest signal level to the lowest when CFUN is 0 or 4.
Quectel
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