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页码 76
3EM23952AA
Issue 01, September 2009
2-12
2.11
Antenna Recommendations:
Frequency – 5.8 GHz
Size and Type – 2, 4, 6, 8, or 10 foot parabolic; 1 or 2 foot flat panel.
Parabolic antennas, See Table
Flat antennas, See Table
Gain and Bemired (3 dB)
2.12
The antenna(s) used for this transmitter must be installed to provide 
a separation distance of at least 12 meters from all persons and must not be co-
located or operating in conjunction with any other antenna or transmitter.
DANGER
Possibility of personal injury. Danger of public exposure to long term RF 
radiated energy. When using a 1 ft flat panel antenna with a 1 watt (+30 dBm) 
output power, the antenna must be located in an area that does not allow the 
general population access to within 12 meters (5.8 Ghz) of the antenna.
2.13
 for the frequency plan for the 
5.725 and 5.850 GHz unlicensed band.
Table 2-A. 5.8 GHz Unlicensed Antenna Recommendation
PARABOLIC
FLAT
2 ft parabolic – 29 dB/6°
1 ft flat panel – 23 dB/9°
4 ft parabolic – 35 dB/3°
2 ft flat panel – 28 dB/3.5°
6 ft parabolic – 38 dB/2°
8 ft parabolic – 41 dB/1.5°
10 ft parabolic – 42.5 dB/1.2°