Ailent WiFi 测试方法与技巧

2_WLAN measurementWLAN 802.11b Product base on standard Testing

The Frequency Allocations...
Europe Japan USA
ISM

100mW
ISM

10 dBm/MHz
ISM

1W*

2.000

2.400

2.4835

3.000

2.4 GHz Band
*Per FCC 00-312, CFR 47 part 15 amended to allow 1W divided by BW in MHz (e.g. 5 MHz = 200mW)

Europe Japan

200mW
HIPERLAN HIPERLAN

1W

High Speed Wireless Access

USA
4.9
5.000

200mW
U-NII

1W

4W
U-NII

5.150

5.250

5.350

5.470

5.725

5.825

6.000

5 GHz Band
ISM = Industrial, Scientific and Medical HIPERLAN = HIgh PERformance LAN U-NII = Unlicensed National Information Infrastructure
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A Bit More Detail on the 2.4 GHz Band
The 2.4 GHz band is a license exempt frequency allocation of 2.400 to 2.4835 GHz for Industrial, Scientific and Medical (ISM) use. It is available Worldwide. The ISM band is unlicens