Frequency spectrum

New in version 2021.08.29.0948.

Table 4 ITU bands [^cite_wp-radiospectrum]

ITU	Abbr.	Band	Frequency	Wavelength	Example Uses
1	LF	Extremely low frequency	3–30 Hz	100,000—10,000 km	Submarines
2	SLF	Super low frequency	30–300 Hz	10,000—1,000 km	Submarines
3	ULF	Ultra low frequency	300—3,000 Hz	1,000–100 km	Submarines, comm. within mines
4	VLF	Very low frequency	3—30 kHz	100—10 km	Navigation, time signals, submarines, wireless heart rate monitors, geophysics
5	LF	Low frequency	30—300 kHz	10—1 km	Amateur radio, AM longwave broadcasting (Europe and parts of Asia), navigation, time signals, RFID
6	MF	Medium frequency	300—3,000 kHz	1,000—100 m	Amateur radio, AM (medium-wave) broadcasts, avalanche beacons
7	HF	High frequency	3—30 MHz	100—10 m	Shortwave broadcasts, CB radio, amateur radio and over-the-horizon aviation comm., RFID, over-the-horizon radar, automatic link establishment (ALE) / near-vertical incidence skywave (NVIS) radio communications, marine and mobile radio telephony
8	VHF	Very high frequency	30—300 MHz	10—1 m	FM, TV broadcasts, line-of-sight ground-to-aircraft and aircraft-to-aircraft comm., land mobile and maritime mobile comm., amateur radio, weather radio
9	UHF	Ultra high frequency	300—3,000 MHz	1—0.1 m	TV broadcasts, microwave oven, microwave devices/comm., radio astronomy, mobile phones, wireless LAN, Bluetooth, ZigBee, GPS and two-way radios such as land mobile, FRS and GMRS radios, amateur radio, satellite radio, Remote control Systems, ADSB.
10	SHF	Super high frequency	3—30 GHz	100—10 mm	Radio astronomy, microwave devices/comm., wireless LAN, DSRC, most modern radars, communications satellites, cable and satellite TV broadcasting, DBS, amateur radio, satellite radio.
11	EHF	Extremely high frequency	30—300 GHz	10—1 mm	Radio astronomy, high-frequency microwave radio relay, microwave remote sensing, amateur radio, directed-energy weapon, millimeter wave scanner, Wireless Lan 802.11ad.
12	THz or THF	Terahertz or Tremendously high frequency	300—3,000 GHz	1—0.1 mm	Experimental medical imaging to replace X-rays, ultrafast molecular dynamics, condensed-matter physics, terahertz time-domain spectroscopy, terahertz computing/comm., remote sensing