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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.






