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  2. 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., ...

  3. 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]

  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. Digital mobile radio - Wikipedia

    en.wikipedia.org/wiki/Digital_mobile_radio

    Digital mobile radio (DMR) is a digital radio standard for voice and data transmission in non-public radio networks.It was created by the European Telecommunications Standards Institute (ETSI), [1] and is designed to be low-cost and easy to use.

  6. Baofeng UV-5R - Wikipedia

    en.wikipedia.org/wiki/Baofeng_UV-5R

    The Baofeng UV-5R [note 1] is a handheld radio transceiver manufactured by the Chinese manufacturer Baofeng.This model was the first dual band radio (VHF/UHF) to be successfully distributed by a Chinese brand.

  7. 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).