TX677 Instruction Manual
12 June 2018
© 2018 Standard Communications Pty Ltd trading as GME. All rights reserved.
29
50157
Content
The table that follows details the CTCSS tone frequencies of the TX677 radio.
CTCSS Tone Frequencies
No.
Frequency
No.
Frequency
No.
Frequency
No.
Frequency
1
67.0
14
107.2
27
167.9
40
159.8
2
71.9
15
110.9
28
173.8
41
165.5
3
74.4
16
114.8
29
179.9
42
171.3
4
77.0
17
118.8
30
186.2
43
177.3
5
79.7
18
123.0
31
192.8
44
183.5
6
82.5
19
127.3
32
203.5
45
189.9
7
85.4
20
131.8
33
210.7
46
196.6
8
88.5
21
136.5
34
218.1
47
199.5
9
91.5
22
141.3
35
225.7
48
206.5
10
94.8
23
146.2
36
233.6
49
229.1
11
97.4
24
151.4
37
241.8
50
254.1
12
100.0
25
156.7
38
250.3
–
–
13
103.5
26
162.2
39
69.4
–
–
