Wireless Frequency Band Descriptions

Band name

Abbreviation

ITU Band

Frequency
and
Wavelength in Air

Examples of Uses

Tremendously low frequency

TLF

< 3 Hz
> 100,000 km

Natural and man-made electromagnetic noise

Extremely low frequency

ELF

3–30 Hz
100,000 km – 10,000 km

Communication with submarines

Super low frequency

SLF

30–300 Hz
10,000 km – 1000 km

Communication with submarines

Ultra low frequency

ULF

300–3000 Hz
1000 km – 100 km

Submarine communication, communication within mines

Very low frequency

VLF

4

3–30 kHz
100 km – 10 km

Navigation, time signals, submarine communication, wireless heart rate monitors, geophysics

Low frequency

LF

5

30–300 kHz
10 km – 1 km

Navigation, time signals, AM longwave broadcasting (Europe and parts of Asia), RFID, amateur radio

Medium frequency

MF

6

300–3000 kHz
1 km – 100 m

AM (medium-wave) broadcasts, amateur radio, avalanche beacons

High frequency

HF

7

3–30 MHz
100 m – 10 m

Shortwave 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

Very high frequency

VHF

8

30–300 MHz
10 m – 1 m

FM, television broadcasts and line-of-sight ground-to-aircraft and aircraft-to-aircraft communications. Land Mobile and Maritime Mobile communications, amateur radio, weather radio
Ultra high frequency

UHF

9

300–3000 MHz
1 m – 100 mm

Television broadcasts, microwave ovens, 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
Super high frequency

SHF

10

3–30 GHz
100 mm – 10 mm

Radio astronomy, microwave devices/communications, wireless LAN, most modern radars, communications satellites, satellite television broadcasting, DBS, amateur radio
Extremely high frequency

EHF

11

30–300 GHz
10 mm – 1 mm

Radio astronomy, high-frequency microwave radio relay, microwave remote sensing, amateur radio, directed-energy weapon, millimeter wave scanner
Terahertz or Tremendously high frequency

THz or THF

12

300–3,000 GHz
1 mm – 100 μm

Terahertz imaging – a potential replacement for X-rays in some medical applications, ultrafast molecular dynamics, condensed-matter physics, terahertz time-domain spectroscopy, terahertz computing/communications, sub-mm remote sensing, amateur radio

Source: Wikipedia and Summit Ridge Group, LLC analysis.