Going Wi-Fi: A Practical Guide to Planning and Building an 802.11 Network

2.4 GHz

Worldwide

18 dBm ( -65 mW) peak power

5 GHz

U.S.

1. 5.150 - 5.250: indoor only peak power to 50mW (17dBm) per FCC 15.407 specification (UNII band operation).

2. 5.250 - 5.350: peak power to 250mW (24 dBm) per FCC 15.407 specification (UNII band operation).

3. 5.470 - 5.725: not allowed.

4. 5.725 - 5.825: peak power to 1W (30 dBm) per FCC 15.407 specification (UNII band operation).

European Union

• a) 5.150 - 5.250: indoor only authorized transmit power is 50 mW

• b) 5.250 - 5.350: authorized transmit power is 250 mW EIRP (24 dBm).

• b) 5.470 - 5.725: 1W EIRP (30 dBm) allowed.

• c) 5.725 - 5.825: calibrated to provide 20 dBm peak power.

Japan

• a) 4.900 - 5.000: To be determined.

• b) 5.150 - 5.250: indoor authorized power is 200 mW EIRP (23 dBm).

• c) 5.250 - 5.350: not allowed.

• c) 5.470 - 5.725: not allowed.

• d) 5.725–5.825: not allowed.