Modem QSTART now has LTE band support. You can use the Autoterm Control application on your smartphone (available at Google Play and AppStore) to remotely control your AUTOTERM air and liquid heaters.
Application "Autoterm Control" together with modem QSTART will let you to operate and oversee your Autoterm heater via GSM / LTE network.
Why Autoterm Control application?
Remote Start/Stop of the heater
Current status check
And many more advantages for your ultimate comfort!