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D-2
Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide
OL-4211-03
Appendix D Channels, Power Levels, and Antenna Gains
Channels
Channels
IEEE 802.11a
The channel identifiers, channel center frequencies, and regulatory domains of each IEEE 802.11a
20-MHz-wide channel are shown in
Table D-1
.
Note
All channel sets are restricted to indoor usage except America (-A), which allows for indoor and outdoor
use on channels 52 through 161 in the United States.
Table D-1
Channels for IEEE 802.11a
Channel
Identifier
Frequency
(in MHz)
Regulatory Domains
America (-A)
EMEA (-E)
Japan (-J)
Rest of World
(-W)
34
5170
–
–
X
–
36
5180
X
X
–
X
38
5190
–
–
X
–
40
5200
X
X
–
X
42
5210
–
–
X
–
44
5220
X
X
–
X
46
5230
–
–
X
–
48
5240
X
X
–
X
52
5260
X
X
–
X
56
5280
X
X
–
X
60
5300
X
X
–
X
64
5320
X
X
–
X
100
5500
–
X
–
X
104
5520
–
X
–
X
108
5540
–
X
–
X
112
5560
–
X
–
X
116
5580
–
X
–
X
120
5600
–
X
–
X
124
5620
–
X
–
X
128
5640
–
X
–
X
132
5660
–
X
–
X
136
5680
–
X
–
X
140
5700
–
X
–
X
149
5745
X
–
–
X
153
5765
X
–
–
X
157
5785
X
–
–
X
161
5805
X
–
–
X