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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.
Channel
1
2
3
4
5
6
7
If several WiFi devices are operating in the same vicinity, the distance between the
center frequencies of channels used must be at least 25 MHz to avoid interference.
The number of channels available for the WiFi-b™ varies by country/region. Refer
to the table below to determine the number of channels available in your location.
Country/Region (Regulating Body)
Australia (ACA)
Belgium (RTT&E/EMC/LVD)
Bulgaria (RTT&E/EMC/LVD)
Canada (CSA/cUL 950 3rd Edition)
China (MII)
Cyprus (RTT&E/EMC/LVD)
Czech Republic (RTT&E/EMC/LVD)
Denmark (RTT&E/EMC/LVD)
Finland (RTT&E/EMC/LVD)
France (RTT&E/EMC/LVD)
Germany (RTT&E/EMC/LVD)
Greece (RTT&E/EMC/LVD)
Hong Kong (OFTA)
Hungary (RTT&E/EMC/LVD)
Iceland (RTT&E/EMC/LVD)
Ireland (RTT&E/EMC/LVD)
Italy (RTT&E/EMC/LVD)
Japan (TELEC)
Appendix
Center
Frequency
2.412 GHz
2.417 GHz
2.422 GHz
2.427 GHz
2.432 GHz
2.437 GHz
2.442 GHz
(continued next page)
Channel
Center
Frequency
8
2.447 GHz
9
2.452 GHz
10
2.457 GHz
11
2.462 GHz
12
2.467 GHz
13
2.472 GHz
14
2.484 GHz
Available Channels
Channels 1 to 13
Channels 1 to 13
Channels 1 to 13
Channels 1 to 11
Channels 1 to 11
Channels 1 to 13
Channels 1 to 13
Channels 1 to 13
Channels 1 to 13
Channels 10 to 13
Channels 1 to 13
Channels 1 to 13
Channels 1 to 13
Channels 1 to 13
Channels 1 to 13
Channels 1 to 13
Channels 1 to 13
Channels 1 to 14
A-5
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