ZDC Air Access ZA-5000 Series, Руководство пользователя

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ZDC ZA-5000 User's Manual V2.2.5
Chapter 6 Troubleshooting Page 48
Diagram 8 RF Path Loss
Example: one pairs of ZA-5000-I, the space between bridges is 3km.
Tx Power
＝
18dBm
Cable loss
＝
1dBi
Antenna Gain
＝
23dBi
Path loss
＝
116dBm
Local receive signal strengthens
（
dBm
）＝
18
－
1
＋
23
－
116
＋
23
－
1
＝ －
54
（
dBm
）
Q 4. Why the throughput is not high?
You should adjust antenna to get highest signal strengthens. if can not get higher signal
strengthens, please check the following steps:
M(Meter)
5GHz
（
dBm
）
1 46
2 52
5 60
7 63
10 66
20 72
30 75.6
40 78
50 80
60 81.2
70 83
80 84
90 85
100 86
200 92
300 95.6
500 100
1000 106
3000 116
5000 120
10000 126
15000 130
20000 132
25000 134
30000 136