GSM/GPRS Module
M35 AT Commands Manual
M35_AT_Commands_Manual Confidential / Released 27 /
186
AT+COPS?
+COPS: 0
// No operator is registered
OK
AT+CPIN?
+CME ERROR: 13
// SIM failure
AT+CFUN=1
// Switch phone to full functionality
OK
+CPIN: SIM PIN
AT+CPIN=1234
+CPIN: READY
OK
Call Ready
AT+CPIN?
+CPIN: READY
OK
AT+COPS?
+COPS: 0,0,"CHINA MOBILE"
// Operator is registered
OK
2.19. AT+QPOWD Power off
Parameter
AT+QPOWD Power off
Write Command
AT+QPOWD=<n>
Response
When
<n>
=0
OK
When
<n>
=1
NORMAL POWER DOWN
Reference
<n>
0
Urgent power off ( Do not send out URC "
NORMAL POWER DOWN
")
1
Normal power off (Send out URC
"NORMAL POWER DOWN"
)