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FRi-122/64 Beamwidth vs. Frequency
360
300
200
100
80
60
40
20
20
30
50
100
FRi-122/64 Directivity Factor and Directivity Index
30
20
10
0
20
30
50
100
FRi-152/64 Beamwidth vs. Frequency
360
300
200
100
80
60
40
20
20
30
50
100
FRi-152/64 Directivity Factor and Directivity Index
30
20
10
0
20
30
50
100
200
500
1000
2000
FREQUENCY IN HERTZ
200
500
1000
2000
FREQUENCY IN HERTZ
200
500
1000
2000
FREQUENCY IN HERTZ
200
500
1000
2000
FREQUENCY IN HERTZ
Appendix D: Beamwidth Curve
10,000
20,000
5000
5000
10,000
20,000
5000
10,000
20,000
10,000
20,000
5000
F
R
i
S P E A K E R
S Y S T E M S
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