What frequencies are used for what?

The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3,000 GHz (3 THz). Electromagnetic waves in this frequency range, called radio waves, are widely used in modern technology, particularly in telecommunication. … Waveguide frequency bands. BandFrequency rangeY band325 to 500 GHzRadio spectrum – Wikipedia en.wikipedia.org › wiki › Radio_spectrum

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How are allocated frequencies?

ITU definition The International Telecommunication Union defines frequency allocation as being of “a given frequency band for the purpose of its use by one or more terrestrial or space radiocommunication services or the radio astronomy service under specified conditions “.

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How is spectrum divided?

The spectrum is divided into different frequency bands, each having a specific application . For instance, the frequency band that covers 300 kHz to 535 kHz is reserved for aeronautical and maritime communications and the spectrum from 535 kHz and 1705 kHz for AM radio. This process is called “allocation”.

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