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  2. 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.

  3. Wireless Communications of the German Army in World War II

    en.wikipedia.org/wiki/Wireless_Communications_of...

    KL.Fuspr.d: A VHF transceiver. It operated in the 32-38 MHz frequency range. Single-unit "walkie-talkie" system. Used by artillery forward observers.

  4. Two-way radio - Wikipedia

    en.wikipedia.org/wiki/Two-way_radio

    The first two-way radio was an AM-only device introduced by the Galvin Manufacturing Corporation in 1940 for use by the police and military during World War II, and followed by the company's 1943 introduction of the Walkie-Talkie, [3] the best-known example of a two-way radio. [4]

  5. SCR-536 - Wikipedia

    en.wikipedia.org/wiki/SCR-536

    SCR-536 "handie talkie". BC-611 on display at National Cryptologic Museum. The SCR-536 was a hand-held radio transceiver used by the US Army Signal Corps in World War II. It is popularly referred to as a walkie talkie, although it was originally designated a "handie talkie". [1]

  6. SCR-300 - Wikipedia

    en.wikipedia.org/wiki/SCR-300

    Although a relatively large backpack-carried radio rather than a handheld model, the SCR-300 was described in War Department Technical Manual TM-11-242 as "primarily intended as a walkie-talkie for foot combat troops", and so the term "walkie-talkie" first came into use. [3] The final acceptance tests took place at Fort Knox, Kentucky in Spring ...

  7. List of military inventions - Wikipedia

    en.wikipedia.org/wiki/List_of_military_inventions

    Walkie-talkie: 1930s Canada (Donald Hings) [3] United States (Alfred J. Gross, Motorola SCR-300) Portable two-way radio communications system for military Portable radio communications – business, public safety, marine, amateur radio, CB radio: Night vision: 1939 - 1940s Nazi Germany. United States. Visibility for military personnel in low ...

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