HF2111 GPRS Serial Server User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
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Query Operation
AT+GCID<CR>
+ok=<sim_number><CR><LF><CR><LF>
Parameters:
Sim_number: SIM card CID number.
4.2.2.29.
AT+CIMI
Function: Query SIM card IMSI
Format:
Query Operation
AT+CIMI<CR>
+ok=<imsi_string><CR><LF><CR><LF>
Parameters:
imsi_string: SIM card IMSI
4.2.2.30.
AT+CGSN
Function: Query device IMEI
Format:
Query Operation
AT+CGSN<CR>
+ok=<imei><CR><LF><CR><LF>
Parameters:
imei: IMEI.
4.2.2.31.
AT+GSLQ
Function: Query GPRS signal strength
Format:
Query Operation
AT+GSLQ<CR>
+ok=<state,ret><CR><LF><CR><LF>
Parameters:
state: signal strength.
Disconnected: No connection with GPRS station
Good: signal is good
Normal: signal is normal
ret: signal strength value, range from 0~31.
4.2.2.32.
AT+LOGIN
Function: Set/Query LOGIN parameters
Format:
Query Operation
AT+LOGIN<CR>
+ok=<login_datalen><login_data><CR><LF><CR><LF>
Set Operation
AT+LOGIN=<login_datalen>,<login_data><CR>
+ok=<login_datalen><login_data><CR><LF><CR><LF>
Parameters:
Login_datalen: login length
Login_data: login data
