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Appendix
A-10
Channel Center Channel Center
Frequency 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
A.4 Wireless LAN adapter channels
The IEEE 802.11b standard for Wireless LAN allocated the 2.4 GHz
frequency band into 14 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.
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
Hungary (RTT&E/EMC/LVD) Channels 1 to 13
Iceland (RTT&E/EMC/LVD) Channels 1 to 13
(continued next page)
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.