Cabletron Systems 9033073 manual Table D-3 Minimum Clearance for Maximum Range

Calculating Range & Clearance

The Dynamic Range Budget

To read Table D-3 correctly:

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Use the Dynamic Range Budget value that you read from either Table D-1 or Table D-2.

Locate this value in Table D-3:

—Values marked with an asterisk (*) in Table D-3 correspond to Dynamic Range Budgets for 1-Mbit/s link-speed connections.

—All other values correspond to Dynamic Range Budgets for 2-Mbit/s link-speed connections.

—Values in Bold apply only to FCC regulated countries.

Table D-3 Minimum Clearance for Maximum Range

Dynamic Range	Minimum Clearance		Maximum Range
	meters	(feet)	kilometers	(miles)
106.8 dB	5.8	(19.1)	2.1	(1.3)
108.5 dB	6.5	(21.4)	2.5	(1.6)
109.8 dB*	7.0	(23.0)	2.9	(1.8)
110.2 dB	7.2	(23.7)	3.0	(1.9)
111.5 dB*	7.8	(25.7)	3.5	(2.2)
113.2 dB*	8.7	(28.6)	4.3	(2.7)
113.8 dB	9.0	(29.6)	4.6	(2.9)
115.5 dB	10.1	(33.2)	5.6	(3.5)
116.8 dB*	11.1	(36.5)	6.5	(4.0)
117.2 dB	11.5	(37.8)	6.8	(4.2)
118.5 dB*	12.6	(41.5)	7.9	(4.9)
120.2 dB*	14.4	(47.4)	9.6	(6.0)
120.8 dB	15.1	(49.7)	10.3	(6.4)
122.5 dB	17.5	(57.6)	12.6	(7.8)
123.8 dB*	19.8	(65.1)	14.6	(9.1)
124.2 dB	20.6	(67.8)	15.3	(9.5)
125.5 dB*	23.5	(77.3)	17.7	(11.0)
127.2 dB*	28.5	(93.8)	21.6	(13.4)

D-6 Outdoor Antenna Installation Guide