What is extremely high frequency band?

Extremely high frequency (EHF) is the International Telecommunication Union (ITU) designation for the band of radio frequencies in the electromagnetic spectrum from 30 to 300 gigahertz (GHz) . It lies between the super high frequency band and the far infrared band, the lower part of which is the terahertz band.

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What are frequency bands?

ITU Band nameAbbreviationFrequency and WavelengthLow frequencyLF30–300 kHz 10–1 kmMedium frequencyMF300–3,000 kHz 1,000–100 mHigh frequencyHF3–30 MHz 100–10 mVery high frequencyVHF30–300 MHz 10–1 mRadio spectrum – Wikipedia en.wikipedia.org › wiki › Radio_spectrum

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