ZA-4000 User’s Manual
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
Example: one pairs of ZA-5000-MS ,another is ZA-4000, the space between bridges is 3km.
Tx Power
＝
15dBm
Cable loss
＝
1dBi
Antenna Gain
＝
18dBi
Path loss
＝
116dBm
Local receive signal strengthens
（
dBm
）＝
15
－
1.5
＋
18
－
116
＋
16
－
1
＝
－
69
（
dBm
）
Q 4. Why the throughput is not high?
You should adjust antenna to get highest signal strengthens by Link Test. You can refer to
Diagram 5Signal Strengthen and Throughput List
If can not get higher signal strengthens,
please check the following steps:
•
Wireless Channel/Frequency
Try to change other channel
•
Wireless disturbance
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