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12. Range
The transmission range of the radio signals between indoor and outdoor units is up to 200 m under optimum
conditions.
This value is the so-called "free field range".
However, this ideal arrangement (e.g. indoor and outdoor unit on a plain, even meadow without trees,
houses etc.) never exists in practice.
Usually, the indoor unit is set up inside and the outdoor unit is installed next to the entrance.
Due to the different influences on radio transmission, no specific range can be guaranteed for,
unfortunately.
Usually, however, any operation in a family home is possible without any problems.
If the indoor unit does not receive any image from the outdoor unit, reduce the distance between the indoor
and outdoor units or perform a pairing process; see chapter 9. b).
The range may be considerably reduced by:
• Walls, reinforced concrete ceilings
• Laminated/coated insulating glass panes
• Vehicles
• Trees, shrubbery, earth, rocks
• Proximity to metal & conductive objects (e.g. heater)
• Proximity to the human body
• Broadband interference, e.g. in residential areas (mobile phones, radio headphones, radio speakers, other radio
weather stations, baby monitoring systems, WLAN router, etc.)
• Proximity to electrical motors, transformers, mains adapters, computers
• Proximity to badly shielded or openly operated computers or other electrical devices
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