What frequencies are used for what?

Cellular wireless radio services transmit using frequencies between 824 and 894 megahertz (MHz) . Transmitters in the Personal Communications Service (PCS) use frequencies in the range of 1850-1990 MHz.

2400MHz (2.4Ghz) is the most broadly accepted frequency around the world.

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