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  2. AN/PRC-6 - Wikipedia

    en.wikipedia.org/wiki/AN/PRC-6

    The AN/PRC-6 is a walkie-talkie (correctly a "Handie Talkie [1]) used by the U.S. military in the late Korean War era through the Vietnam War. Raytheon developed the RT-196/PRC-6 following World War II as a replacement for the SCR-536 "handy-talkie".

  3. Walkie-talkie - Wikipedia

    en.wikipedia.org/wiki/Walkie-talkie

    Typical walkie-talkies resemble a telephone handset, with a speaker built into one end and a microphone in the other (in some devices the speaker also is used as the microphone) and an antenna mounted on the top of the unit. They are held up to the face to talk. A walkie-talkie is a half-duplex communication device. Multiple walkie-talkies use ...

  4. Two-way radio - Wikipedia

    en.wikipedia.org/wiki/Two-way_radio

    Naval air traffic controller communicates with aircraft over a two-way radio headset A variety of portable handheld two-way radios for private use. A two-way radio is a radio transceiver (a radio that can both transmit and receive radio waves), which is used for bidirectional person-to-person voice communication with other users with similar radios, [1] in contrast to a broadcast receiver ...

  5. Citizens band radio - Wikipedia

    en.wikipedia.org/wiki/Citizens_band_radio

    Shown with Astatic brand D-104 desk mic Cobra 18 WX ST II mobile CB radio with microphone Cobra 50 WX ST Handheld CB Radio 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 ...

  6. MOTO Talk - Wikipedia

    en.wikipedia.org/wiki/MOTO_Talk

    The MOTO Talk service is slightly similar to FRS (Family Radio Service) walkie-talkies but uses digital rather than analog signals, operates on the 900 MHz ISM band rather than the 462 MHz frequencies allocated to FRS, and uses frequency-hopping spread spectrum technology rather than single fixed frequencies for each channel.

  7. PMR446 - Wikipedia

    en.wikipedia.org/wiki/PMR446

    Motorola TA288 PMR446 licence-free radio Motorola TLKR T40 radio tuned to PMR channel 1. PMR446 (Private Mobile Radio, 446 MHz) is a licence-exempt service or UHF CB in the UHF radio frequency band, as personal radio service or citizens band radio, and is available for business and personal use in most countries throughout the European Union, [1] Malaysia, [2] Singapore, [3] and Norway.

  8. Push-to-talk - Wikipedia

    en.wikipedia.org/wiki/Push-to-talk

    Push-to-talk over cellular (PTToC) is a service option for a cellular phone network that enables subscribers to use their phones as walkie-talkies with unlimited range. A typical push-to-talk connection connects almost instantly.

  9. SCR-536 - Wikipedia

    en.wikipedia.org/wiki/SCR-536

    The SCR-536 is often considered the first of modern hand-held, self-contained, "handie talkie" transceivers (two-way radios). It was developed in 1940 by a team led by Don Mitchell, chief engineer for Galvin Manufacturing (now Motorola Solutions) and was the first true hand-held unit to see widespread use. [1]