Outdoor Antenna Installation Guide

D-3

Table D-1 Dynamic Range (FCC)

Link Speed

Antenna Type

 

 

Omni-Directional 7-dBi

Directional 14-dBi

 

 

 

 

 

 

 

 

 

 

Cable Length

6m (20 ft) /

22m (75 ft)

6m (20 ft) /

22m (75 ft)

 

 

 

 

15m (50 ft)

 

15m (50 ft)

 

 

 

 

 

 

 

 

 

 

 

 

6m (20 ft) /

110.2 dB

108.5 dB

117.2 dB

115.5 dB

2 MBit/s

Omni-Directional 7-dBi

 

15m (50 ft)

 

 

 

 

 

 

 

 

 

 

 

 

 

22m (75 ft)

108.5 dB

106.8 dB

115.5 dB

113.8 dB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6m (20 ft) /

117.2 dB

115.5 dB

124.2 dB

122.5 dB

 

Directional 14-dBi

 

15m (50 ft)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22m (75 ft)

115.5 dB

113.8 dB

122.5 dB

120.8 dB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Link Speed

Antenna Type

 

 

Omni-Directional 7-dBi

Directional 14-dBi

 

 

 

 

 

 

 

 

 

 

 

Cable Length

6m (20 ft) /

22m (75 ft)

6m (20 ft) /

22m (75 ft)

 

 

 

 

15m (50 ft)

 

15m (50 ft)

 

 

 

 

 

 

 

 

 

 

 

 

6m (20 ft) /

113.2 dB

111.5 dB

120.2 dB

118.5 dB

1 Mbit/s

Omni-Directional 7-dBi

 

15m (50 ft)

 

 

 

 

 

 

 

 

 

 

 

 

 

22m (75 ft)

111.5 dB

109.8 dB

118.5 dB

116.8 dB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6m (20 ft) /

120.2 dB

118.5 dB

127.2 dB

125.5 dB

 

Directional 14-dBi

 

15m (50 ft)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22m (75 ft)

118.5 dB

116.8 dB

125.5 dB

123.8 dB

 

 

 

 

 

 

 

 

The diameter of the 15m (50 ft) and 22m (75 ft) cables is larger than the diameter of the 6m (20 ft) cable. Therefore the cable loss of 50 ft cables is the same as for 20 ft cables, resulting in the same Dynamic Range Budget value.

The Dynamic Range Budget

Calculating Range & Clearance

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Cabletron Systems 9033073 manual Table D-1 Dynamic Range FCC, MBit/s Omni-Directional 7-dBi