Citizens Band Channels & some of the Rules. No License Required.
5 Watts Maximum
Sec. 95.407 (CB Rule 7) On what channels may I operate?
(a) Your CB station may transmit only on the following channels
Ch. Frequency   Ch. Frequency   Ch. Frequency   Ch. Frequency
1 26.965MHz   11 27.085MHz   21 27.215MHz   31 27.315MHz
2 26.975MHz   12 27.105MHz   22 27.225MHz   32 27.325MHz
3 26.985MHz   13 27.115MHz   23 27.255MHz   33 27.335MHz
4 27.005MHz   14 27.125MHz   24 27.235MHz   34 27.345MHz
5 27.015MHz   15 27.135MHz   25 27.245MHz   35 27.355MHz
6 27.025MHz   16 27.155MHz   26 27.265MHz   36 27.365MHz
7 27.035MHz   17 27.165MHz   27 27.275MHz   37 27.375MHz
8 27.055MHz   18 27.175MHz   28 27.285MHz   38 27.385MHz
9 27.065MHz   19 27.185MHz   29 27.295MHz   39 27.395MHz
10 27.075MHz   20 27.205MHz   30 27.305MHz   40 27.405MHz
(b) Channel 9 may be used only for emergency communications or for traveler assistance.
(c) You must, at all times and on all channels, give priority to emergency communication
messages concerning the immediate safety of life or the immediate protection of property.
(d) You may use any channel for emergency communications or for traveler assistance.
(e) You must share each channel with other users.