What is IEEE frequency spectrum explains in detail?

The RF spectrum is divided into small chunks for a huge number of applications such as AM and FM radio, television, cellular networks, walkie-talkies, satellite communications, military applications, and even to send and receive signals into outer space .

The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3,000 GHz (3 THz). … IEEE radar bands. Band designationFrequency rangeExplanation of meaning of lettersVHF0.03 to 0.3 GHzVery High FrequencyUHF0.3 to 1 GHzUltra High FrequencyL1 to 2 GHzLong waveS2 to 4 GHzShort waveRadio spectrum – Wikipedia en.wikipedia.org › wiki › Radio_spectrum

Frequency spectrum of a signal is the range of frequencies contained by a signal .