How many different frequencies are there?

Today, civilian radio signals populate the radio spectrum in eight frequency bands , ranging from very low frequency (VLF), starting at 3 kilohertz, and extending to extremely high frequency (EHF),…

Frequency RangeabbreviationNameLow FrequenciesLF30 – 300 kHzMedium FrequenciesMF300 kHz – 3 MHzHigh FrequenciesHF3 – 30 MHzVery High FrequenciesVHF30 – 300 MHzPitch Names web.mst.edu › ~kosbar › fourier › notes_pitchnames

Common radio frequency bands include the following: AM radio – 535 kilohertz to 1.7 megahertz . Short wave radio – bands from 5.9 megahertz to 26.1 megahertz. Citizens band (CB) radio – 26.96 megahertz to 27.41 megahertz.