The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 KHz to 3,000 GHz (3 THz). Electromagnetic waves in this frequency...

spectrum EMF measurement Frequency allocation Frequency modulation (FM) Plastic welding Pulsed electromagnetic field therapy Radio astronomy Spectrum...

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

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 management is the process of regulating the use of radio frequencies to promote efficient use and gain a net social benefit. The term radio spectrum...

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

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

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

Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation...

Digital radio is the use of digital technology to transmit or receive across the radio spectrum. Digital transmission by radio waves includes digital broadcasting...

structure). In radio and telecommunications, the frequency spectrum can be shared among many different broadcasters. The radio spectrum is the part of...

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

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

In telecommunications, especially radio communication, spread spectrum are techniques by which a signal (e.g., an electrical, electromagnetic, or acoustic)...

licensed or unlicensed spectrum to deliver connection to a network, in most cases the Internet. Wi-Fi uses the 2.4 GHz and 5 GHz radio frequency bands to...

a form of dynamic spectrum management. In response to the operator's commands, the cognitive engine is capable of configuring radio-system parameters...

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...

aircraft band is the name for a group of frequencies in the VHF radio spectrum allocated to radio communication in civil aviation, sometimes also referred to...

light Absorption spectrum, observed in light Radio spectrum, radio frequency subset of the electromagnetic spectrum Stellar spectrum, the combination...

other radio services. Companies wishing to provide cellular services in a geographic region compete for the right to license radio spectrum in spectrum auctions...

a radio technology that can use a very low energy level for short-range, high-bandwidth communications over a large portion of the radio spectrum. The...

Electromagnetic interference (EMI), also called radio-frequency interference (RFI) when in the radio frequency spectrum, is a disturbance generated by an external...

music and general audio (in the audio spectrum). FM radio stations use the very high frequency range of radio frequencies. Throughout the world, the...

In radio, longwave (also spelled long wave or long-wave and commonly abbreviated LW) is the part of the radio spectrum with wavelengths longer than what...

the electromagnetic spectrum and to assign scarce spectrum resources. Depending on the specific auction format used, a spectrum auction can last from...

The Radio Spectrum Policy Programme (RSPP) was a five year programme which set out regulatory requirements, goals and priorities of the European Union...

unauthorized use of the state-run spectrum by the unlicensed broadcasters but also the risk-taking nature of offshore radio stations that actually operated...

A spectrum analyzer measures the magnitude of an input signal versus frequency within the full frequency range of the instrument. The primary use is to...

In signal processing, the power spectrum S x x ( f ) {\displaystyle S_{xx}(f)} of a continuous time signal x ( t ) {\displaystyle x(t)} describes the distribution...

evaluating changes in spectrum policy that will increase the public benefits derived from the use of the radio spectrum. The Spectrum Task Force was put...