Lower frequency means longer wavelength. VHF (Very High Frequency) and UHF (Ultra High Frequency) come with distinct pros and cons, understanding these differences will help you. "Rabbit-ears" VHF television antenna (the small loop is a separate UHF antenna). UHF TV signals are generally more degraded by moisture than lower bands, such as VHF TV signals. VHF = "Very High Frequency". UHF radios broadcast at between 300 MHz and 3 GHz.