RFrftools.io

Extremely High Frequency (EHF)

5G mmWave (24–100 GHz) · Ka-band satellite (26.5–40 GHz) · W-band imaging (75–110 GHz)

Frequency Range30–300 GHz
Wavelength1–10 mm
ITU / StandardITU Band 11

Applications

  • →5G mmWave (24–100 GHz)
  • →Ka-band satellite (26.5–40 GHz)
  • →W-band imaging (75–110 GHz)
  • →Automotive radar (77 GHz)
  • →Wireless backhaul

Propagation Characteristics

Severe atmospheric absorption, especially at 60 GHz (oxygen) and 183 GHz (water vapor). Very short range in dense deployments. High data rates possible.

Regulatory Notes

5G mmWave: n257 (28 GHz), n258 (26 GHz), n261 (28 GHz). 60 GHz unlicensed (WiGig/802.11ad): 57–71 GHz.

Related Calculators

Wavelength / Frequency

Convert between frequency, wavelength, and wave number in free space or medium. Calculate half-wave and quarter-wave lengths for antenna and transmission line design.

Free-Space Path Loss

Calculate free-space path loss (FSPL) using the Friis transmission equation for wireless link budget analysis

Skin Depth

Calculate the skin depth (penetration depth) of electromagnetic fields in conductors as a function of frequency and material properties.