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  2. Radio control - Wikipedia

    en.wikipedia.org/wiki/Radio_control

    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 ...

  3. Remote radio head - Wikipedia

    en.wikipedia.org/wiki/Remote_Radio_Head

    Remote radio head. A remote radio head (RRH), also called a remote radio unit (RRU) in wireless networks, is a remote radio transceiver that connects to an operator radio control panel via electrical or wireless interface. When used to describe aircraft radio cockpit radio systems, the control panel is often called the radio head .

  4. Trunked radio system - Wikipedia

    en.wikipedia.org/wiki/Trunked_radio_system

    A trunked radio system is a two-way radio system that uses a control channel to automatically assign frequency channels to groups of user radios. In a traditional half-duplex land mobile radio system a group of users (a talkgroup) with mobile and portable two-way radios communicate over a single shared radio channel, with one user at a time ...

  5. RadioShack - Wikipedia

    en.wikipedia.org/wiki/RadioShack

    RadioShack (formerly written as Radio Shack) is an American electronics retailer which was established in 1921 as an amateur radio mail-order business. Its parent company, Radio Shack Corporation, was purchased by Tandy Corporation in 1962, shifting its focus from radio equipment to hobbyist electronic components. At its peak in 1999, Tandy ...

  6. Antenna (radio) - Wikipedia

    en.wikipedia.org/wiki/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 conductors, used with ...

  7. Horizon Hobby - Wikipedia

    en.wikipedia.org/wiki/Horizon_Hobby

    The Horizon Hobby logo. Horizon Hobby, LLC is an American multinational hobby-grade RC radio control (RC) model and model train manufacturer and distributor founded by Rick Stephens, Janet Ottmers, Debra Love, and Eric Meyers [1] in July 1985 [2] and headquartered in Champaign, Illinois. [3] Horizon Hobby products are sold in more than 50 ...

  8. Citizens band radio - Wikipedia

    en.wikipedia.org/wiki/Citizens_band_radio

    Shown with Astatic brand D-104 desk mic. Citizens band radio ( CB radio) is a land mobile radio system, a system allowing short-distance one-to-many bidirectional voice communication among individuals, using two-way radios operating near 27 MHz (or the 11-m wavelength) in the high frequency or shortwave band.

  9. Radio receiver design - Wikipedia

    en.wikipedia.org/wiki/Radio_receiver_design

    Radio receiver design. Radio receiver design includes the electronic design of different components of a radio receiver which processes the radio frequency signal from an antenna in order to produce usable information such as audio. The complexity of a modern receiver and the possible range of circuitry and methods employed are more generally ...