Radio sensors for residential, office and hotel rooms with the usual degree of soiling. Application mainly in renovation or heating system extensions.radio room temperature sensor for recording and setting the room temperature. In use with alre radio actuators and the bhome gate, individual room temperature control is realised. The sensor can also be connected directly to the actuators without the bhome gate and thus realise individual room control. The sensor signals when the battery needs to be replaced soon. FTRFB-280.119.