Asus DiGiMatrix User Guide - Page 156

Wireless LAN adapter channels

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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. Channel 1 2 3 4 5 6 7 Center Frequency 2.412 GHz 2.417 GHz 2.422 GHz 2.427 GHz 2.432 GHz 2.437 GHz 2.442 GHz Channel 8 9 10 11 12 13 14 Center Frequency 2.447 GHz 2.452 GHz 2.457 GHz 2.462 GHz 2.467 GHz 2.472 GHz 2.484 GHz 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. 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) A-10 Appendix

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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.