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CTCSS SUBCODE (HZ)
Code
Frequency(Hz)
1
67.0
2
71.9
3
74.4
4
77.0
5
79.7
6
82.5
7
85.4
8
88.5
9
91.5
10
94.8
11
97.4
12
100
13
103.5
Communication Environment
1.
General communication environment(the following figure 1）
a.
Within the communication range, there is no equipment produces the interference
signal which power is more than or equal to output power of WT-558, for example
high voltage power cable, radio station & etc.
b.
Within the communication range and under open area, there is no large-scale
buildings with metal act as the block.
2.
Perfect communication environment(the following figure 2）
Based on above 2 general communication environments and under open areas,
communication range can be over 10 km when 2 communicators are positioned at
horizontal straight sight.
3.
Poor communication environment(the following figure 3）
Code
Frequency(Hz)
14
107.2
15
110.9
16
114.8
17
118.8
18
123.0
19
127.3
20
131.8
21
136.5
22
141.3
23
146.2
24
151.4
25
156.7
26
162.2
10
Code
Frequency(Hz)
27
167.9
28
173.8
29
179.9
30
186.2
31
192.8
32
203.5
33
210.7
34
218.1
35
225.7
36
233.6
37
241.8
38
250.3
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