
GMT00 @Track Air Interface Protocol
TRACGMT100AN001 – 86 –
3.3.3.3. +RESP:GTCID
After the device receives the command AT+GTRTO to read the ICCID of the SIM card, it will
send the ICCID to the backend server by the message +RESP:GTCID.
+RESP:GTCID,
Example:
+RESP:GTCID,080100,135790246811220,,898600810906F8048812,20090214093254,11F0$
XX0000 – XXFFFF,
X∈{'A' – 'Z','0' – '9'}
'0' – '9' 'a' – 'z' 'A' – 'Z'
3.3.3.4. +RESP:GTCSQ
After the device receives the command AT+GTRTO to read the GSM signal level, it will send
the GSM signal level to the backend server by the message +RESP:GTCSQ.
+RESP:GTCSQ,
Example:
+RESP:GTCSQ,080100,135790246811220,,16,0,20090214093254,11F0$
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