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  2. 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]

  3. Yaesu (brand) - Wikipedia

    en.wikipedia.org/wiki/Yaesu_(brand)

    Yaesu Musen acquired the STANDARD radio equipment brand from Marantz Japan in 1998 and changed the company name to Vertex Standard Co., ...

  4. Walkie-talkie - Wikipedia

    en.wikipedia.org/wiki/Walkie-talkie

    A walkie-talkie, more formally known as a handheld transceiver, HT, or handheld radio, is a hand-held, portable, two-way radio transceiver.Its development during the Second World War has been variously credited to Donald Hings, radio engineer Alfred J. Gross, Henryk Magnuski and engineering teams at Motorola.

  5. 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".

  6. Category:Walkie-talkies - Wikipedia

    en.wikipedia.org/wiki/Category:Walkie-talkies

    Pages in category "Walkie-talkies" The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes. ...

  7. Israel strikes targets in Lebanon as Hezbollah chief calls ...

    www.aol.com/news/walkie-talkie-firm-probes-2nd...

    Icom walkie-talkies on display at a store in Tokyo. “There’s no way a bomb could have been integrated into one of our devices during manufacturing,” Yoshiki Enomoto, a director at ICOM, said ...

  8. Continuous Tone-Coded Squelch System - Wikipedia

    en.wikipedia.org/wiki/Continuous_Tone-Coded...

    CTCSS is an analog system. A later Digital-Coded Squelch (DCS) system was developed by Motorola under the trademarked name Digital Private Line (DPL). General Electric responded with the same system under the name of Digital Channel Guard (DCG).

  9. Duplex (telecommunications) - Wikipedia

    en.wikipedia.org/wiki/Duplex_(telecommunications)

    For example, a walkie-talkie or a DECT phone or so-called TDD 4G or 5G phones requires only a single frequency for bidirectional communication, while a cell phone in the so-called FDD mode is a full-duplex device, and generally requires two frequencies to carry the two simultaneous voice channels, one in each direction.

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