Cabletron Systems 9033073 用户手册
Calc
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& Clea
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D
-9
Table D-4
Actual Clearance and Typical Range
Dynamic
Range
Range
Optimal
Clearance
Line-of-Sight Clearance that is Actually Available
5 m (16.5 ft)
10 m (33 ft)
15 m (50 ft)
20 m (66 ft)
meters
(ft)
km
(mi)
km
(mi)
km
(mi)
km
(mi)
106.8 dB
5.8
(19.1)
2.0
(1.2)
2.1
(1.3)
2.1
(1.3)
2.1
(1.3)
108.5 dB
6.5
(21.4)
2.2
(1.4)
2.5
(1.6)
2.5
(1.6)
2.5
(1.6)
109.8 dB*
7.0
(23.0)
2.4
(1.5)
2.9
(1.8)
2.9
(1.8)
2.9
(1.8)
110.2 dB
7.2
(23.7)
2.5
(1.6)
3.0
(1.9)
3.0
(1.9)
3.0
(1.9)
111.5 dB*
7.8
(25.7)
2.7
(1.7)
3.6
(2.2)
3.6
(2.2)
3.6
(2.2)
113.2 dB*
8.7
(28.6)
3.1
(1.9)
4.3
(2.7)
4.3
(2.7)
4.3
(2.7)
113.8 dB
9.0
(29.6)
3.2
(2.0)
4.6
(2.9)
4.6
(2.9)
4.6
(2.9)
115.5 dB
10.1
(33.2)
3.6
(2.2)
5.6
(3.5)
5.6
(3.5)
5.6
(3.5)
116.8 dB*
11.1
(36.5)
3.9
(2.4)
6.2
(3.9)
6.5
(4.0)
6.5
(4.0)
117.2 dB
11.5
(37.8)
4.1
(2.5)
6.5
(4.0)
6.8
(4.2)
6.8
(4.2)
118.5 dB*
12.6
(41.5)
4.4
(2.7)
7.3
(4.5)
8.0
(5.0)
8.0
(5.0)
120.2 dB*
14.4
(47.4)
5.1
(3.2)
10
(6.2)
9.7
(6.0)
9.7
(6.0)
120.8 dB
15.1
(49.7)
5.2
(3.2)
8.2
(5.1)
10.3
(6.4)
10.3
(6.4)
122.5 dB
17.5
(57.6)
5.7
(3.5)
9.1
(5.7)
12.0
(7.5)
12.0
(7.5)
123.8 dB*
19.8
(65.1)
6.4
(4.0)
9.6
(6.0)
12.7
(7.9)
14.6
(9.1)
124.2 dB
20.6
(67.8)
6.7
(4.2)
10.1
(6.3)
12.7
(7.9)
15.3
(9.5)
125.5 dB*
23.5
(77.3)
7.1
(4.4)
10.7
(6.6)
14.1
(8.8)
16.9
(10.5)
127.2 dB*
28.5
(93.8)
7.8
(4.8)
11.8
(7.3)
14.9
(9.3)
17.9
(11.1)