Ieee 802.11B/G - Cisco AIR-CB21AG-W-K9 Installation And Configuration Manual

802.11a/b/g wireless lan client adapters windows vista
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Appendix E
Channels, Power Levels, and Antenna Gains
All channel sets are restricted to indoor usage except America (-A), which allows for indoor and outdoor
Note
use on channels 52 through 161 in the United States.
The Japan (-J) channels apply only to AIR-CB21AG-J-K9 and AIR-PI21AG-J-K9 client adapters, and
Note
the Japan (-P) channels apply only to AIR-CB21AG-P-K9 and AIR-PI21AG-P-K9 client adapters.

IEEE 802.11b/g

The channel identifiers, channel center frequencies, and regulatory domains of each IEEE 802.11b/g
22-MHz-wide channel are shown in
Table E-2
Channel
Identifier
Mexico is included in the Rest of World regulatory domain; however, channels 1 through 8 are for indoor
Note
use only while channels 9 through 11 can be used indoors and outdoors. Users are responsible for
ensuring that the channel set configuration is in compliance with the regulatory standards of Mexico.
Note
In Japan, channel 14 is not supported for 802.11g mode.
Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide for Windows Vista
OL-16534-01
Channels for IEEE 802.11b/g
Frequency
(in MHz)
1
2412
2
2417
3
2422
4
2427
5
2432
6
2437
7
2442
8
2447
9
2452
10
2457
11
2462
12
2467
13
2472
14
2484
Table
E-2.
Regulatory Domains
America (-A)
EMEA (-E)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Rest of World
Japan (-J)
(-W)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Channels
E-3

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