UNIDEN UH7700NB: UNLOCK PROCEDURE FOR CHANNELS 41-80
Please note: In the Narrowband UHF CB expansion 77 channels are available for use. CH 22 & 23 are used for telemetry and telecommand applications, voice communications are not permitted on these channels and transmission is also inhibited. CH 61, 62 & 63 are for possible future use and are inhibited.
Click here for... UHF CB Channel Guidelines