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About Wireless LANs
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Channels
The Wireless Channel sets the radio frequency used for communication.
❑ Access Points use a fixed Channel. You can select the Channel
used. This allows you to choose a Channel which provides the
least interference and best performance. In the USA and Canada,
11 channel are available. If using multiple Access Points, it is better
if adjacent Access Points use different Channels to reduce
interference.
❑ In “Infrastructure” mode, Wireless Stations normally scan all
Channels, looking for an Access Point. If more than one Access
Point can be used, the one with the strongest signal is used. (This
can only happen within an ESS.)
❑ If using “Ad-hoc” mode (no Access Point), all Wireless stations
should be set to use the same Channel. However, most Wireless
stations will still scan all Channels to see if there is an existing “Ad-
hoc” group they can join.