Tunnel – Standard AT commands supported

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MTX-Tunnel runs on MTX-Terminal modems. Internally there is a Cinterion 2G/3G/4G core, EHS6 for 3G models and ELS61 for 4G models.

Those modules use the AT command set, some of them are standardized and others are Cinterion proprietary. MTX-Tunnel can run just a few of them. Those are:

 AT >  OK
 ATI > Returns module firmware information
 AT+CSQ > Network GSM coverage
 AT+CCLK? > Current time output
 AT^SSIO=X,Y > Used to change the digital output X with the value Y
 AT^SGIO=X > Used to know the value of the digital input X
 AT^SRADC=X > Used to know the value of the analog input X
 AT^SGPSR=0 > Returns GPS position
 AT^MONI > Monitors information about BTS attached
 AT^SMONI > Monitors information about BTS attached
 AT+CFUN=1,1> Resets MTX-Tunnel
 AT^SMSO > Resets MTX-Tunnel (switches off and because MTX-Terminals is featured for it, it switches on automatically)

Please read the AT Command manual from Cinterion for more information about the use, syntax and answers of those commands.