Do your radios work on GMRS channels? Shawn October 17, 2022 21:31 Updated Our radios operate on HF frequencies, and GMRS is on UHF. To answer your question, they will not work on GMRS frequencies. Related articles I'm looking for a very nice Radio for my Kenworth and dual Antennas for mirrors Is there a radio with the speaker on top of the case? How do I warranty repair a 955 hpc? Comments 0 comments Please sign in to leave a comment.