Command | Description |
---|---|
AT | To check heartbeat |
AT+CPIN? | To check if the SIM card is present or OK |
AT+CREG? | Network registration status - http://m2msupport.net/m2msupport/atcreg-network-registration/ |
Command | Description |
---|---|
AT | To check heartbeat |
AT+CPIN? | To check if the SIM card is present or OK |
AT+CREG? | Network registration status - http://m2msupport.net/m2msupport/atcreg-network-registration/ |