RACOM RAy11, Руководство пользователя

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Main and side lobes
5 4
-40°
0
10
20
-10
G[dbi]
-20° 20° 40° 0°
6
-40°
0
10
20
-10
G[dbi]
-20° 20° 40° 0°
-40°
0
10
20
-10
G[dbi]
-20° 20° 40° 0°
2
1 3
A – A
B – B C – C
CROSS-SEC
TION
A – A
C
R
O
SS-SEC
T
IO
N
C
–
C
-40°
0
10
20
G[dbi]
-20° 20° 0°
MAIN
BEAM
SIDE
LOBE
A A
B B
C C
40°
2
1 3
6
4
5
Fig. 5.71: Radiation diagrams
Both antennas should be oriented towards each other using the peaks of radiation diagram. Adjust the
antenna alternately in the horizontal and vertical axes and monitor the resulting signal strength. Use
the calculation of the expected RSS with the precision of several dBm as guidance. Side lobes transmit
signal ca 20 dBm weaker, see the Microwave link Calculation
3
.
3
http://www.racom.eu/eng/products/microwave-link.html#calculation
59 © RACOM s.r.o. – RAy Microwave Link
Installation