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JRC NTG337-EL0 Instruction Manual: The Receive Level And The Distance

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6.7.4. The receive level and the distance

For the receiving AP-RFU (Sectoral-Horn Antenna) in a point-to-multipoint system, the receiving
level at clear sky and the distance are related as shown in Figure 6-38.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
1
Figure 6-38 Receiving Level and Distance (Sectoral QPSK)
Transmission level (QPSK)
Frequency
Antenna gain[TX+RX]
TX Sectoral Antenna Gain:15.5dBi
RX WT Antenna Gain:31dBi
WT Receiving Level
AP Receiving Level
Minimum Receiving Level
10
Distance[m]
14 [dBm]
26 [GHz]
46.5 [dBi]
TYP
TYP
6-93
Maximum Receiving Level
100
1000
Free space loss Lp[dB]
λ
m
Lp
10000
c
m
f
Hz
π d
4
20
log
λ

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