Extremely High Frequency (EHF)
5G mmWave (24–100 GHz) · Ka-band satellite (26.5–40 GHz) · W-band imaging (75–110 GHz)
| Frequency Range | 30–300 GHz |
| Wavelength | 1–10 mm |
| ITU / Standard | ITU 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.
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