A Band (radio)

The A band is the range of radio frequencies up to 250 MHz in the electromagnetic spectrum. This is equal to wave lengths greater than 1.2 m.

Radio spectrum

ELF
3 Hz/100 Mm
30 Hz/10 Mm

SLF
30 Hz/10 Mm
300 Hz/1 Mm

ULF
300 Hz/1 Mm
3 kHz/100 km

VLF
3 kHz/100 km
30 kHz/10 km

LF
30 kHz/10 km
300 kHz/1 km

MF
300 kHz/1 km
3 MHz/100 m

HF
3 MHz/100 m
30 MHz/10 m

VHF
30 MHz/10 m
300 MHz/1 m

UHF
300 MHz/1 m
3 GHz/100 mm

SHF
3 GHz/100 mm
30 GHz/10 mm

EHF
30 GHz/10 mm
300 GHz/1 mm

THF
300 GHz/1 mm
3 THz/0.1 mm

Electromagnetic spectrum

← higher frequencies longer wavelengths →

  • Gamma rays
  • X-rays
  • Ultraviolet
  • Visible
  • Infrared
  • Terahertz radiation
  • Microwave
  • Radio
Visible (optical)
  • Violet
  • Blue
  • Green
  • Yellow
  • Orange
  • Red
Microwaves
  • W band
  • V band
  • Q band
  • Ka band
  • K band
  • Ku band
  • X band
  • S band
  • C band
  • L band
Radio
  • EHF
  • SHF
  • UHF
  • VHF
  • HF
  • MF
  • LF
  • VLF
  • ULF
  • SLF
  • ELF
Wavelength types
  • Microwave
  • Shortwave
  • Medium wave
  • Longwave


Famous quotes containing the word band:

    “There was a young lady called Gloria
    Who was had by Sir Gerald Du Maurier
    And then by six men
    And Sir Gerald again
    And the band of the Waldorf-Astoria.”
    —Anonymous.