Question: what are uhf and vhf frequencies?
Answer: According to US frequency groups there are four different categories: low-band VHF (49-108 MHz), high-band VHF (169-216 MHz), low-band UHF (450-806 MHz), and high-band UHF (900-952 MHz). The FCC is in control of who operates within each specific band and if anyone has priority over other operators.