Applications of the electromagnetic spectrum classes

The next list presents some examples of the uses of the different classes of the electromagnetic spectrum.

#
Class
Frequency
(Minimum)
[source]
Frequency
(Maximum)
[source]
1Gamma rays30 EHz300 EHzSterilize medical equipment | Sterilize food (irradiated food) | Used as tracers in medicine | Radio Therapy in oncology (to kill cancerous cells) | Gamma-Ray Astronomy
2Hard X-rays3 EHz30 EHzImage the inside of objects | Medical radiography | Airport security
3Soft X-rays300 PHz3 EHzResearching the elemental composition and structure of biological samples
4Soft X-rays30 PHz300 PHzResearching the elemental composition and structure of biological samples
5Extreme ultraviolet3 PHz30 PHzPhotoelectron spectroscopy | Solar imaging | Lithography
6Near ultraviolet / visible300 THz3 PHzVisible Light
7Near infrared30 THz300 THzNight vision | Thermography | Hyperspectral imaging | Tracking | Heating | Cooling | Communications | Spectroscopy | Thin film metrology | Meteorology | Climatology | Astronomy | Infrared cleaning | Art conservation and analysis | Biological systems | Photobiomodulation | Health hazards
8Mid infrared3 THz30 THzNight vision | Thermography | Hyperspectral imaging | Tracking | Heating | Cooling | Communications | Spectroscopy | Thin film metrology | Meteorology | Climatology | Astronomy | Infrared cleaning | Art conservation and analysis | Biological systems | Photobiomodulation | Health hazards
9Far infrared300 GHz3 THzExperimental medical imaging to replace X-rays | Ultrafast molecular dynamics | Condensed-matter physics | Terahertz time-domain spectroscopy | Terahertz computing/communications | Remote sensing
10Extremely high frequency30 GHz300 GHzRadio astronomy | High-frequency microwave radio relay | Microwave remote sensing | Amateur radio | Directed-energy weapon | Millimeter wave scanner | Wireless LAN (802.11ad)
11Super high frequency3 GHz30 GHzRadio astronomy | Microwave devices/communications | Wireless LAN | DSRC | Most modern radars | Communications satellites | Cable and satellite television broadcasting | DBS | Amateur radio | Satellite radio
12Ultra high frequency300 MHz3 GHzTV broadcasts | Microwave oven | Microwave devices/communications | 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
13Very high frequency30 MHz300 MHzFM | TV broadcasts | Line-of-sight ground-to-aircraft and aircraft-to-aircraft communications | Land mobile and maritime mobile communications | Amateur radio | Weather radio
14High frequency3 MHz30 MHzShortwave broadcasts | Citizens band radio | Amateur radio and over-the-horizon aviation communications | RFID | Over-the-horizon radar | Automatic link establishment (ALE) / near-vertical incidence skywave (NVIS) radio communications | Marine and mobile radio telephony
15Medium frequency300 kHz3 MHzAM (medium-wave) broadcasts | Amateur radio | Avalanche beacons
16Low frequency30 kHz300 kHzNavigation | Time signals | AM longwave broadcasting (Europe and parts of Asia) | RFID | Amateur radio
17Very low frequency3 kHz30 kHzNavigation | Time signals | Submarine communication | Wireless heart rate monitors | Geophysics
18Ultra low frequency300 Hz3 kHzSubmarine communication | Mines communication
19Super low frequency30 Hz300 HzSubmarine communication
20Extremely low frequency3 Hz30 HzSubmarine communication