Enterasys Networks 9033348-02 manual Distances and Line of Sight Clearance FCC

Determining the Antenna Locations

Table 1-1: Distances and Line of Sight Clearance (FCC)

Data	14 dBi Yagi to 14 dBi Yagi		14 dBi Yagi to 7 dBi Omni		7 dBi Omni to
Rate					Vehicle-Mount
Mbit/s
	Distance	Line of	Distance	Line of	Distance	Line of
		Sight		Sight		Sight
		Clearance		Clearance		Clearance
11	5.6 km	9.8 m	2.5 km	6.3 m	0.8 km	3.4 m
	(3.5 mi)	(33 ft)	(1.5 mi)	(21 ft)	(0.5 mi)	(11.2 ft)
5.5	7.9 km	12.1 m	3.5 km	7.5 m	1.1 km	4.1 m
	(4.9 mi)	(40 ft)	(2.1 mi)	(25 ft)	(0.7 mi)	(13.5 ft)
2	11.2 km	15.4 m	5 km	9.1 m	2 km	5.6 m
	(6.9 mi)	(51 ft)	(3.1 mi)	(30 ft)	(1.2 mi)	(18.4 ft)
1	15.8 km	20.3 m	7.1 km	11.3 m	2.5 km	6.3 m
	(9.8 mi)	(67 ft)	(4.4 mi)	(37 ft)	(1.5 mi)	(21 ft)

Table 1-2: Distances and Line of Sight Clearance ETSI

Data	14 dBi Yagi to 14 dBi Yagi1		14 dBi Yagi1 to 7 dBi Omni		7 dBi Omni to
Rate					Vehicle-Mount
Mbit/s
	Distance	Line of	Distance	Line of	Distance	Line of
		Sight		Sight		Sight
		Clearance		Clearance		Clearance
11	2.5 km	6.3 m	1.1 km	4.1 m	0.8 km	3.4 m
	(1.5 mi)	(21 ft)	(0.7 mi)	(14 ft)	(0.5 mi)	(11.2 ft)
5.5	3.5 km	7.5 m	1.6 km	4.9 m	1.1 km	4.1 m
	(2.1 mi)	(25 ft)	(1 mi)	(16 ft)	(0.7 mi)	(13.5 ft)
2	5 km	9.1 m	2.2 km	5.9 m	2 km	5.6 m
	(3.1 mi)	(30 ft)	(1.4 mi)	(20 ft)	(1.2 mi)	(18.4 ft)
1	7.1 km	11.3 m	3.2 km	7.1 m	2.5 km	6.3 m
	(4.4 mi)	(37 ft)	(2 mi)	(24 ft)	(1.5 mi)	(21 ft)

1The Yagi antenna must be connected to an Access Point configured with the Hi-Gain matched RoamAbout PC Card.

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