RADIO FREQUENCIES
CLASSABREVIATIONRANGE
extremely low frequencyELFbelow 3 kilohertz
very low frequencyVLF3 to 30 kilohertz
low frequencyLF30 to 300 kilohertz
medium frequencyMF300 to 3000 kilohertz
high frequencyHF3 to 30 megahertz
very high frequencyVHF30 to 300 megahertz
ultrahigh frequencyUHF300 to 3000 megahertz
superhigh frequencySHF3 to 30 gigahertz
extremely high frequencyEHF30 to 300 gigahertz