These devices often use one (or more) of the popular VHF/UHF digital formats (DMR, D-STAR, Fusion) but analog FM is also used. … Recommended Colorado Hotspot Frequencies. Hotspot ChannelFrequency2438.4750 MHz3438.5000 MHz4438.5250 MHz5438.5500 MHzRecommended Colorado Hotspot Frequencies – The KØNR Radio Site www.k0nr.com › wordpress › 2021/01 › co-hotspot-frequency