A-2 Appendices
Wireless LAN channels
The IEEE 802.11b/g standard for wireless LAN allocated the 2.4 GHz frequency
band into 13 overlapping operating channels. Each channel corresponds to a
different set of frequencies. The table below shows the center frequencies of each
channel.
The number of channels available for the wireless LAN adapter varies by country/
region. Refer to the table below to determine the number of channels available in
your location.
If several Wi-Fi devices are operating in the same vicinity, the distance between
the center frequencies of channels used must be at least 25MHz to avoid
interference.
Channel Center Frequency Channel Center Frequency
1 2.412 GHz 8 2.447 GHz
2 2.417 GHz 9 2.452 GHz
3 2.422 GHz 10 2.457 GHz
4 2.427 GHz 11 2.462 GHz
5 2.432 GHz 12 2.467 GHz
6 2.437 GHz 13 2.472 GHz
7 2.442 GHz 14 2.484 GHz
Country/Region (Regulating Body) Available Channels
Australia (ACA) Channels 1 to 13
Belgium (RTT&E/EMC/LVD) Channels 1 to 13
Bulgaria (RTT&E/EMC/LVD) Channels 1 to 13
Canada (CSA/cUL 950 3rd Edition) Channels 1 to 11
China (MII) Channels 1 to 11
Cyprus (RTT&E/EMC/LVD) Channels 1 to 13
Czech Republic (RTT&E/EMC/LVD) Channels 1 to 13
Denmark (RTT&E/EMC/LVD) Channels 1 to 13
Finland (RTT&E/EMC/LVD) Channels 1 to 13
France (RTT&E/EMC/LVD) Channels 1 to 13
Germany (RTT&E/EMC/LVD) Channels 1 to 13
Greece (RTT&E/EMC/LVD) Channels 1 to 13
Hong Kong (OFTA) Channels 1 to 13
(continued next page)
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