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Radio Frequency Category
Radio Frequency Category
ABB
Range
Name
Frequency
Band Name
Uses
ELF
100—10 Mm
Decamegametre
3—30 Hz
Extremely low
Communications with submarines, geophysics
SLF
10—1 Mm
Megametre
30—300 Hz
Super low
Communications with submarines, geophysics
ULF
1,000—100 km
Hectokilometre
300—3,000 Hz
Ultra low
Communications with submarines, through-the-Earth communications (in mines and caves)
VLF
100—10 km
Myriametre
3—30 kHz
Very low
Navigation, time signals, communications with submarines, wireless heart rate monitors, geophysics
LF
10—1 km
Kilometre
30—300 kHz
Low
Navigation, time signals, longwave broadcasting (Europe and parts of Asia), radio-frequency identification, amateur radio
MF
1,000—100 m
Hectometre
300—3,000 kHz
Medium
Mediumwave broadcasts, amateur radio, avalanche beacons
HF
100—10 m
Decametre
3—30 MHz
High
Shortwave broadcasts, citizens’ band radio, amateur radio and over-the-horizon aviation communications, radio-frequency identification, over-the-horizon radar, near vertical incidence skywave radio communications, marine and mobile radio telephony
VHF
10—1 m
Metre
30—300 MHz
Very high
FM radio and television broadcasts, line-of-sight ground-to-aircraft and aircraft-to-aircraft communications, land and maritime mobile communications, amateur radio, weather radio
UHF
1,000—100 mm
Decimetre
300—3,000 MHz
Ultra high
Television broadcasts, microwave oven, microwave communications, radio astronomy, mobile phones, wireless LAN, Bluetooth, GPS, amateur radio
SHF
100—10 mm
Centimetre
3—30 GHz
Super high
Radio astronomy, microwave communications, wireless LAN, most modern radars, satellite radio and television broadcasting, amateur radio
EHF
10—1 mm
Millimetre
30—300 GHz
Extremely high
Radio astronomy, high-frequency microwave radio relay, microwave sensors, weather radars, amateur radio, medicine