DEBIX EMB-AS-05 User Manual page 25

microcom /dev/ttyUSB2
AT+CPIN?
AT+CIMI
AT+CGSN
AT+CSQ
2. The output is as follows:
NOTE
AT+CPIN?
#SIM card detection; return "+CPIN:<code>", if <code> is READY, no password
is required
AT+CIMI
#Query SIM card CIMI; return International Mobile Subscriber Identity (IMSI)
code
AT+CGSN
#Query module IMEI; return international mobile equipment identity code
AT+CSQ
#Query signal strength; the first return value is signal strength, the higher the
value within 9~31, the stronger the signal, the second value is channel BER, 99 indicates the
position; if it returns 99, 99 indicates that SIM is unavailable and you need to check the
antenna.
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