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Radio control (often abbreviated to RC) is the use of control signals transmitted by radio to remotely operate a device. Examples of simple radio control systems are garage door openers and keyless entry systems for vehicles, in which a small handheld radio transmitter unlocks or opens doors. Radio control is also used for control of model ...
Antenna (radio) In radio engineering, an antenna ( American English) or aerial ( British English) is an electronic device that converts an alternating electric current into radio waves, or radio waves into an electric current. [ 1][ 2] It is the interface between radio waves propagating through space and electric currents moving in metal ...
A broadcast receiver is commonly called a "radio". However radio receivers are very widely used in other areas of modern technology, in televisions, cell phones, wireless modems, radio clocks and other components of communications, remote control, and wireless networking systems.
principles, math, or theories used to engineer receiver- and transmitter-related devices and circuits. For articles related to systems or entire pieces of equipment used in broadcasting, consider Category:Radio. For example, articles about master control, translators, Optimod compressors, or studio-transmitter links belong in the Radio category.
Commercial FM broadcasting transmitter at radio station WDET-FM, Wayne State University, Detroit, US.It broadcasts at 101.9 MHz with a radiated power of 48 kW.. In electronics and telecommunications, a radio transmitter or just transmitter (often abbreviated as XMTR or TX in technical documents) is an electronic device which produces radio waves with an antenna with the purpose of signal ...
Radio bandwidth is regarded as an economic good which has a monetary cost and is in increasing demand. In some parts of the radio spectrum, the right to use a frequency band or even a single radio channel is bought and sold for millions of dollars. So there is an incentive to employ technology to minimize the bandwidth used by radio services. [37]
e. Radio-frequency (RF) engineering is a subset of electrical engineering involving the application of transmission line, waveguide, antenna, radar, and electromagnetic field principles to the design and application of devices that produce or use signals within the radio band, the frequency range of about 20 kHz up to 300 GHz. [1] [2] [3]
Harris Corporation Introduces Liberty-Radio Control Equipment for Air Traffic Control Communications Highlights: Optimizes network and operational costs by reducing bandwidth requirements.
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