![]() UHF radio waves propagate mainly by line of sight they are blocked by hills and large buildings although the transmission through building walls is strong enough for indoor reception. ![]() Lower frequency signals fall into the VHF (very high frequency) or lower bands. Radio waves with frequencies above the UHF band fall into the SHF (super-high frequency) or microwave frequency range. ![]() Ultra high frequency (UHF) is the ITU designation for radio frequencies in the range between 300 MHz and 3 GHz, also known as the decimetre band as the wavelengths range from one meter to one decimetre.
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