Appendix A Channels, Power Levels, and Antenna Gains

Maximum Power Levels and Antenna Gains

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

 

Maximum Power Level (mW)

Regulatory Domain

with 6-dBi Antenna Gain

 

 

Americas (-A)

40

(160 mW EIRP maximum on channels 36-48, 800

 

mW EIRP maximum on channels 52-64)

 

 

 

Japan (-J)

40

(10 mW/MHz EIRP maximum)

 

 

 

Singapore (-S)

20

(100 mW EIRP maximum)

 

 

 

Taiwan (-T)

40

(800 mW EIRP maximum)

 

 

 

IEEE 802.11b

An improper combination of power level and antenna gain can result in EIRP above the amount allowed per regulatory domain. Table A-4indicates 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)

0

100

(4 W EIRP maximum)

 

 

2.2

100

 

 

 

 

 

5.2

100

 

 

 

 

6

100

 

 

 

 

8.5

100

 

 

 

 

12

100

 

 

 

 

13.5

100

 

 

 

 

21

20

 

 

 

EMEA (–E)

0

100

(100 mW EIRP maximum)

 

 

2.2

50

 

 

 

 

 

5.2

30

 

 

 

 

6

30

 

 

 

 

8.5

5

 

 

 

 

12

5

 

 

 

 

13.5

5

 

 

 

 

21

1

 

 

 

Cisco Aironet 1200 Series Access Point Software Configuration Guide

 

A-4

OL-2159-05

 

 

 

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Cisco Systems DL-2159-05 manual Maximum Power Level mW, Regulatory Domain With 6-dBi Antenna Gain