EXTREMELY HIGH FREQUENCY

Communications Systems Glossary

Communications Systems — Radio frequency — Extremely high frequency

 

 

 

 

 

 

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Information on Extremely high frequency (EHF)

The extremely-high-frequency (EHF) band is a radio-frequency (RF) frequency in the band 3-30 GHz. The super-high frequency (SHF) and extremely-high-frequency bands are known as the microwave bands and their wavelengths are short enough to be propagated by highly directional antennas and waveguides. Propagation ranges are limited to line-of-sight but long-distance communication can be achieved by employing a series of radio relay stations. These portions of the spectrum are used for television and high-speed data services requiring large bandwidths.


Other topics in our resources on Communications Systems related to Extremely high frequency include: 
 
  • High frequency (HF)
  • Extremely low frequency (ELF)
  • Super high frequency (SHF)
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  • Low frequency (LF)
  • Medium frequency (MF)
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  • Ultra High Frequency (UHF)
  • Very high frequency (VHF)
  • Very low frequency (VLF)

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