La Crosse Technology Weather Station Instruction Manual page 37

3. Using other electrical products such as headphones or speakers operating on the 868MHz-signal frequency may
prevent correct signal transmission or reception. Neighbors using electrical devices operating on the
signal frequency can also cause interference.
Note:
When the 868MHz signal is received correctly, do not re-open the battery cover of either the transmitter or Weather
station, as the batteries may spring free from the contacts and force a false reset. Should this happen accidentally then
reset all units (see "Setting up" above) otherwise transmission problems may occur.
The transmission range is around 100 meters from the Thermo-hygro transmitter to the Weather station (in open
space). However, this depends on the surrounding environment and interference levels. If no reception is possible
despite the observation of these factors, all system units have to be reset (see "Setting up" above).
55
868MHz-