Table Of Contents

Channels and Antenna Settings

Channels

IEEE 802.11a

IEEE 802.11b

Maximum Power Levels

IEEE 802.11a

IEEE 802.11b

Channels and Antenna Settings

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This appendix lists the access point radio channels and the maximum power levels supported by the world's regulatory domains.

The following topics are covered in this appendix:

•Channels

•Maximum Power Levels

Channels

IEEE 802.11a

The channel identifiers, channel center frequencies, and regulatory domains of each IEEE 802.11a 20-MHz-wide channel are listed in Table A-1.

Table A-1 Channels for IEEE 802.11a

Channel Identifier	Frequency in MHz	Regulatory Domains
		Americas (-A)	Japan (-J)	Singapore (-S)	Taiwan (-T)
34	5170	-	X	-	-
36	5180	X	-	X	-
38	5190	-	X	-	-
40	5200	X	-	X	-
42	5210	-	X	-	-
44	5220	X	-	X	-
46	5230	-	X	-	-
48	5240	X	-	X	-
52	5260	X	-	-	X
56	5280	X	-	-	X
60	5300	X	-	-	X
64	5320	X	-	-	X
149	5745	-	-	-	-
153	5765	-	-	-	-
157	5785	-	-	-	-
161	5805	-	-	-	-

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Note All channel sets are restricted to indoor usage except the Americas (-A), which allows for indoor and outdoor use on channels 52 through 64 in the United States.

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IEEE 802.11b

The channel identifiers, channel center frequencies, and regulatory domains of each IEEE 802.11b 22-MHz-wide channel are listed in Table A-2.

Table A-2 Channels for IEEE 802.11b

Channel Identifier	Frequency in MHz	Regulatory Domains
		Americas (-A)	EMEA (-E)	Israel (-I)	China (-C)	Japan (-J)
1	2412	X	X	-	X	X
2	2417	X	X	-	X	X
3	2422	X	X	-	X	X
4	2427	X	X	-	X	X
5	2432	X	X	X	X	X
6	2437	X	X	X	X	X
7	2442	X	X	X	X	X
8	2447	X	X	X	X	X
9	2452	X	X	-	X	X
10	2457	X	X	-	X	X
11	2462	X	X	-	X	X
12	2467	-	X	-	-	X
13	2472	-	X	-	-	X
14	2484	-	-	-	-	X

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Note Mexico is included in the Americas regulatory domain; however, channels 1 through 8 are for indoor use only while channels 9 through 11 can be used indoors and outdoors. Users are responsible for ensuring that the channel set configuration complies with the regulatory standards of Mexico.

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Maximum Power Levels

This section lists the maximum radio power levels and antenna gains for each regulatory domain. For additional information on setting radio transmit power, refer to the "Configuring Radio Transmit Power" section.

IEEE 802.11a

An improper combination of power level and antenna gain can result in equivalent isotropic radiated power (EIRP) above the amount allowed per regulatory domain. Table A-3 lists the maximum power levels and antenna gains allowed for each IEEE 802.11a regulatory domain.

Table A-3 Maximum Power Levels Per Antenna Gain  for IEEE 802.11a

Regulatory Domain	Maximum Power Level (mW) with 6-dBi Antenna Gain
Americas (-A) (160 mW EIRP maximum on channels 36-48, 800 mW EIRP maximum on channels 52-64)	40
Japan (-J) (10 mW/MHz EIRP maximum)	40
Singapore (-S) (100 mW EIRP maximum)	20
Taiwan (-T) (800 mW EIRP maximum)	40

IEEE 802.11b

An improper combination of power level and antenna gain can result in equivalent isotropic radiated power (EIRP) above the amount allowed per regulatory domain. Table A-4 lists the maximum power levels and antenna gains allowed for each IEEE 802.11b regulatory domain.

Table A-4 Maximum Power Levels Per Antenna Gain for IEEE 802.11b 

Regulatory Domain	Antenna Gain (dBi)	Maximum Power Level (mW)
Americas (-A) (4W EIRP maximum)	0	100
	2.2	100
	5.2	100
	6	100
	8.5	100
	12	100
	13.5	100
EMEA (-E) (100 mW EIRP maximum)	0	100
	2.2	50
	5.2	30
	6	30
	8.5	5
	12	5
	13.5	5
	21	1
Israel (-I) (100 mW EIRP maximum)	0	100
	2.2	50
	5.2	30
	6	30
	8.5	5
	12	5
	13.5	5
	21	1
China (-C) (10 mW EIRP maximum)	0	5
	2.2	5
	5.2	-
	6	-
	8.5	-
	12	-
	13.5	-
	21	-
Japan (-J) (10 mW/MHz EIRP maximum)	0	50
	2.2	30
	5.2	30
	6	30
	8.5	-
	12	-
	13.5	5
	21	-