Radio Frequency Spectrum Information

Band Name: Sub-hertz (subHz)
ITU band: 0
Frequency and wavelength: less than 3 Hz and greater than 100,000 km
Uses: Natural and man-made electromagnetic waves from earth, ionosphere, sun, planets, etc..

Band Name: Extremely low frequency (ELF)
ITU band: 1
Frequency: 3-30 Hz and 100,000-10,000 km
Uses: Submarine communication

Band Name: Super low frequency (SLF)
ITU band: 2
Frequency: 30-300 Hz and 10,000-1,000 km
Uses: Submarine communication

Band Name: Ultra low frequency (ULF)
ITU band: 3
Frequency: 300-3,000 Hz and 1,000-100 km
Uses: Communication inside mines

Band Name: Very low frequency (VLF)
ITU band: 4
Frequency: 3-30 kHz and 100-10 km
Uses: Submarine communication, avalanche beacons, wireless heart rate monitors

Band Name: Low frequency (LF)
ITU band: 5
Frequency: 30-300 kHz and 10-1 km
Uses: Navigation, AM longwave broadcasting, RFID

Band Name: Medium frequency (MF)
ITU band: 6
Frequency: 300-3,000 kHz and 1 km - 100 m
Uses: AM broadcasts

Band Name: High frequency (HF)
ITU band: 7
Frequency: 3-30 MHz and 100-10 m
Uses: Shortwave broadcasts, amateur radio, RFID

Band Name: Very high frequency (VHF)
ITU band: 8
Frequency: 30-300 MHz and 10-1 m
Uses: FM, television broadcasts, land mobile communications, maritime mobile communications

Band Name: Ultra high frequency (UHF)
ITU band: 9
Frequency: 300-3,000 MHz and 1-100 m
Uses: Television broadcasts, microwave ovens, mobile phones, wireless LANs, Bluetooth, GPS, FRS radios, GMRS radios, LMRS radios

Band Name: Super high frequency (SHF)
ITU band: 10
Frequency: 3-30 GHz and 100-10 mm
Uses: Microwave devices, wireless LANs, radars

Band Name: Extremely high frequency (EHF)
ITU band: 11
Frequency: 30-300 GHz and 10-1 mm
Uses: Radio astronomy, high-frequency microwave radio relay, microwave remote sensing

Band Name: Terahertz (THz)
ITU band: 12
Frequency: 300-3,000 GHz and 1 mm – 100 μm
Uses: Terahertz imaging