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Temperature sensors
- Ontech GSM 9030 has a built-in 230V/16A relay that can be remotely operated by an ordinary telephone. You can call the Ontech Switch from any mobile phone and operate it and/or extra relays by using the keyboard of the mobile device. To the unit or the extra relay electrical equipment such as fans, radiators, lamps etc can be connected and turned on or off with a telephone call.
The Ontech Switch can also give you information whether the temperature is above or
below 5 degrees C.
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