GMRS Channel Frequencies
CTCSS(Continuous Tone Code Squelch System) Tone Frequencies(in Hz)
CTCSS
Freq. Hz
1
67.0
2
71.9
3
74.4
4
77.0
5
79.7
6
82.5
7
85.4
88.5
8
9
91.5
10
94.8
11
97.4
12
100.0
13
103.5
14
107.2
15
110.9
16
114.8
17
118.8
18
123.0
19
127.3
CTCSS
Freq. Hz
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
31
131.8
136.5
141.3
146.2
151.4
156.7
162.2
167.9
173.8
179.9
186.2
192.8
203.5
210.7
218.1
225.7
233.6
241.8
250.3