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...

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...

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...

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

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

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

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...

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

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...

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

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

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

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...

the radio spectrum and radio-related regulations in New Zealand. Radio Spectrum Management is charged with regulating New Zealand's radio spectrum activities...

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

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

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...

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

In radio, longwave, long wave or long-wave, and commonly abbreviated LW, refers to parts of the radio spectrum with wavelengths longer than what was originally...

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

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...

congested radio spectrum is driving the development of new types of transmitters such as spread spectrum, trunked radio systems and cognitive radio. A related...

Radio waves are a type of electromagnetic radiation with the lowest frequencies and the longest wavelengths in the electromagnetic spectrum, typically...

The Radio Spectrum Policy Group (RSPG) is an advisory group founded 26 July 2002 for the European Commission on matters related to the radio spectrum. The...

the US, the 1912 "Act to Regulate Radio Communication" assigned amateurs and experimenters their own frequency spectrum, and introduced licensing and call-signs...

the high frequency spectrum are: Military and governmental communication systems Aviation air-to-ground communications Amateur radio Shortwave international...

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...