What is high-frequency range?

High frequency (HF) is the ITU-designated range of radio frequency electromagnetic waves (radio waves) between 3 and 30 MHz . It is also known as the decameter band or decameter wave as the wavelengths range from one to ten decameters (ten to one hundred metres).

Read more

What is above ultra high frequency?

Radio frequency spectrum Band nameAbbrFrequency WavelengthUltra high frequencyUHF300–3000 MHz 1 m – 100 mmSuper high frequencySHF3–30 GHz 100 mm – 10 mmExtremely high frequencyEHF30–300 GHz 10 mm – 1 mmAbove 300 GHz < 1 mmRadio frequency www.cs.mcgill.ca › ~rwest › wikispeedia › wpcd › Radio_frequency

Read more