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.

Site Preparation 1-3

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