Cool AT commands

/*Retrieve ICCID*/
AT+CRSM=176,12258,0,0,10
+CRSM: 144,0,”98555063930031910316″

In this case ICCID is
89550536390013193061

/*Retrieve IMEI*/
AT+CGSN
357030025604105

/*Retrieve Signal*/
AT+CSQ

The return value is RSSI, BER ( Bit Error Rate )
Example
>AT+CSQ
+CSQ: 17,99

To convert the RSSI into dBm

dBm= (RSSI x 2) -113

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