Quectel UG Series

UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
WCDMA_UGxx_AT_Commands_Manual Confidential / Released 28 / 247
Example
AT+CFUN=0 //Switch phone to minimum functionality
OK
AT+COPS?
+COPS: 0 //No operator is registered
OK
AT+CPIN?
+CME ERROR: 10 //SIM is not inserted
AT+CFUN=1 //Switch phone to full functionality
OK
+QUSIM: 0
+CPIN: SIM PIN
AT+CPIN=1234
OK
+CPIN: READY
+QIND: SMS DONE
+QIND: PB DONE
AT+CPIN?
+CPIN: READY
OK
AT+COPS?
+COPS: 0,0,"CHN-UNICOM",2 //Operator is registered
OK
2.24. AT+CMEE Error Message Format
AT+CMEE controls the format of error result codes: "ERROR", error numbers or verbose messages as
"+CME ERROR: <err>" and "+CMS ERROR: <err>".
4 Disable phone from both transmitting and receiving RF signals
<rst> 0 Do not reset the ME before setting it to <fun> power level
This is default when <rst> is not given
1 Reset the ME. The device is fully functional after the reset.
Quectel
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