< Back

2022-01-30 14-48-47 4

Digital PMR446 dPMR (FDMA) uses 32 digital voice channels

separated by 6.25 kHz from each other with 4-level FSK modulation
at 3.6 kbit/s.[17] Before January 2018,
only the upper 16 channels were allowed for digital FDMA operation.

Channel Frequency (MHz) Channel Spacing (kHz) Comments
1 446.003125 6.25
2 446.009375 6.25
3 446.015625 6.25
4 446.021875 6.25
5 446.028125 6.25
6 446.034375 6.25
7 446.040625 6.25
8 446.046875 6.25
9 446.053125 6.25
10 446.059375 6.25
11 446.065625 6.25
12 446.071875 6.25
13 446.078125 6.25
14 446.084375 6.25
15 446.090625 6.25
16 446.096875 6.25
17 446.103125 6.25
18 446.109375 6.25
19 446.115625 6.25 dPMR => Calling Channel (CC1 TG99) dPMR => Mutual assistance (CC1 TG9112)
20 446.121875 6.25
21 446.128125 6.25
22 446.134375 6.25
23 446.140625 6.25
24 446.146875 6.25
25 446.153125 6.25
26 446.159375 6.25
27 446.165625 6.25
28 446.171875 6.25
29 446.178125 6.25
30 446.184375 6.25
31 446.190625 6.25
32 446.196875 6.25