The CB radio channels are radio frequencies reserved for the use of the CB. In France, the CB radio frequency band is located between 26.965 MHz and 27.405 MHz, as in the United States and other countries. It is divided into 40 channels spaced 10kHz from each other, covering the entire frequency band allocated to the CB.

The CB channels are numbered from 1 to 40. It is important to select the appropriate channel for your communication with a CB radio, so as not to interfere with other users.

The CB channels in France are distributed as follows: