CB (Citizens Band) Radio is an unlicensed service. CB Radio consists of 40 HF channels on AM and SSB. Channel 9 is designated for emergencies and assistance.

The maximum allowable power for a CB radio is 5 watts. Repeaters are not allowed on CB radio.

CB Radio Usage

CB Radio is mainly utilized by truck drivers. CB radio is known for the colorful language utilized by its adherents, such as "10-4 good buddy".

CB Radio Frequencies

Channel Frequency
1 26.965
2 26.975
3 26.985
4 27.005
5 27.015
6 27.025
7 27.035
8 27.055
9 27.065
10 27.075
11 27.085
12 27.105
13 27.115
14 27.125
15 27.135
16 27.155
17 27.165
18 27.175
19 27.185
20 27.205
21 27.215
22 27.225
23 27.235
24 27.245
25 27.255
26 27.265
27 27.275
28 27.285
29 27.295
30 27.305
31 27.315
32 27.325
33 27.335
34 27.345
35 27.355
36 27.365
37 27.375
38 27.385
39 27.395
40 27.405

Additional Reading on CB (Citizens Band) Radio

For more information on CB, visit the Citizens Band (CB) Radio Service page at the FCC.