User`s manual

PocketGSM Functional Examples
3.3
B) POCKET GSM READY TO WORK
PocketGSM can work only after it has been detected by the network and with a good GSM
signal. To verify PocketGSM is ready to manage calls and SMS, follow these commands:
Command: AT+CPIN?
Answer: +CPIN: READY (SIM is ready)
Command: AT+CREG?
Answer: +CREG: 0,1 (GSM modem is registered by the network)
OK
Command: AT+COPS?
Answer: +COPS: 0,2,22288 (PocketGSM is registered at operator 22288)
OK
Command: AT+CSQ
Answer: +CSQ: 15,0 (GSM signal: good)
OK
The CSQ value can be included between 0 and 31, where 0 = –113dBm and
31 = –51dBm.
Every unit corresponds to 2 dBm.
From 0 to 9 = not sufficient
From 10 to 15 = good
From 16 to 31 = excellent
[ For further information see the chapter “AT Commands” present in the user’s manual on Digicom
website ]