80591ST10886A Rev.2
Page
56
of
200
2018-07-02
Type
Command
Possible Return Result
Instruction
Test Command
AT+CREG=?
+CREG: (0-2)
OK
-
Read Command
AT+CREG?
+CREG: 0,1
OK
-
Write Command
AT+CREG=<mode
>
OK
-
Parameter Description
parameter
Value
Instruction
<mode>
0
Disable network registration unsolicited result code.
1
Enable network registration unsolicited result code.
2
Enable network registration and location information
unsolicited result code.
Example
AT+CREG=2
OK
+CREG: 1,”FFFE”,”61F6D15”, 7
8.3.
AT+COPS PLMN Selection
Set command forces an attempt to select and register the GSM/UMTS network operator.
Syntax
Type
Command
Possible Return Result
Instruction
Test Command
AT+COPS=?
+COPS: (2,”CHN-
UNICOM”,”UNICOM”,”46001”,7)
,(1,”CHN-
-