Kindermann Klick & Show Installation And User Manual page 37

General rules for WiFi-networks
In case no site survey can be made, the following rules of thumb should allow for a correct configuration:
The Klick & Show access point in a particular meeting room should not re-use a Wi-Fi channel that
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overlaps with one of the channels used in the corporate WLAN infrastructure. Ideally, at least two
channels in the corporate WLAN should be reserved exclusively for Klick & Show. In case many Klick &
Show systems are located closely to one another, more channels may be required. When Klick & Show
Base-units, we recommend checking with the local IT department which channels are not used by the
corporate WLAN infrastructure.
In an ideal setup, overlapping channels should not be used for two Klick & Show Base-units within
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range of each other. As the channels in the 2.4 GHz band overlap with each other, best practice is to use
channels 1, 6 and 11 on a single floor. On floors above and below, the channel pattern will be shifted to
avoid overlap between floors (e.g. by placing channel 6 at the center of the illustrated pattern).
In case there are not enough channels available, two or more Klick & Show can be placed on the same
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channel. This will of course have an impact on the quality of the link when several clients are sharing
simultaneously.
As stated above, the 5 GHz channels do not overlap with each other and are less used by non Wi-Fi
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devices than the 2.4 GHz channels. Moreover, 5 GHz signals are more rapidly damped than 2.4 GHz
signals.
Therefore the use of a 5 GHz channel is recommended.
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