TEFL WIRELESS ROOM SENSOR
TEFL is a wireless transmitter operating on the frequency range off 868.3MHz. It has been designed for reliable operation in wide range of environments. Totally 4 measurements and signals can be sent by one transmitter; temperature, set point, humidity and the state of a 5-position switch.
Communication between the transmitters and the FLTA base station is bidirectional, and the readings are updated at once when the measurement has changed enough, however at least once an hour.
Minimum changes causing immediate update message to FLTA:
-temperature: +/- 0,2 °C
-set point: +/- 0,2 °C
-humidity: +/- 0,5 %RH