Are low frequencies harmful?

Some recent epidemiologic studies have suggested that the exposure to extremely low frequency (ELF) electromagnetic fields (EMF) affect human health , because of the incidence of certain types of cancer, depression, and miscarriage have been increased among individuals living or working in environments exposed to such …

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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).

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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

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