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...

carried efficiently over transmission lines such as coaxial cables. The radio spectrum of frequencies is divided into bands with conventional names designated...

Radio spectrum pollution is the straying of waves in the radio and electromagnetic spectrums outside their allocations that cause problems for some activities...

with matter, and their practical applications. Radio waves, at the low-frequency end of the spectrum, have the lowest photon energy and the longest...

allocation (or spectrum allocation) is the part of spectrum management dealing with the designation and regulation of the electromagnetic spectrum into frequency...

Union (ITU), which allocates frequency bands in the radio spectrum for various uses. The word radio is derived from the Latin word radius, meaning "spoke...

Spectrum Radio was a multi-ethnic radio network based in London. It catered to over 20 different ethnic communities, each of which were aired on the station...

The ISM radio bands are portions of the radio spectrum reserved internationally for industrial, scientific, and medical (ISM) purposes, excluding applications...

The radio spectrum scope (also radio panoramic receiver, panoramic adapter, pan receiver, pan adapter, panadapter, panoramic radio spectroscope, panoramoscope...

spectrum (also known as free spectrum) is a movement to get the Federal Communications Commission to provide more unlicensed radio-frequency spectrum...