Ultra-high frequency (UHF) designates the ITU radio frequency range of electromagnetic waves between 300 MHz and 3 GHz (3,000 MHz), also known as the decimetre band or decimetre wave as the wavelengths range from one to ten decimetres (10 cm to 1 metre). Radio waves with frequencies above the UHF band fall into the SHF (super-high frequency) and EHF (extremely high frequency) bands, all of which fall into the microwave frequency range. Lower frequency signals fall into the VHF (very high frequency) or lower bands. See Electromagnetic spectrum and Radio spectrum for a full listing of frequency bands.

Dezimeterwellen sind Mikrowellen, deren Wellenlänge im Dezimeterbereich, also zwischen 10 dm und 1 dm liegt, was einem Frequenzband von 0,3 GHz bis 3 GHz entspricht.

La bande des Ultra haute fréquence (Ultra high frequency/UHF) est la bande du spectre radioélectrique comprise entre 300 MHz et MHz, soit les longueurs d'onde de 1 m à 10 cm.

Fale decymetrowe (VKF), ang. UHF (Ultra high frequency), zakres fal radiowych (pasmo radiowe) o częstotliwości: 300-3000 MHz i długości 1000-100 mm.