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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. List of Motorola products - Wikipedia

   en.wikipedia.org/wiki/List_of_Motorola_products

   Canopy – A line-of-sight wireless technology, primarily used by ISPs to provide broadband internet; MotoMESH – A mobile wireless broadband product providing proprietary "Mesh-Enabled Architecture" and standards-based 802.11 network access in both the unlicensed 2.4 GHz band and the licensed 4.9 GHz public-safety band

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. Henryk Magnuski - Wikipedia

   en.wikipedia.org/wiki/Henryk_Magnuski

   Henryk Władysław Magnuski (January 30, 1909 – May 4, 1978) was a Polish telecommunications engineer who worked for Motorola in Chicago.He was a primary contributor in the development of one of the first Walkie-Talkie radios, the Motorola SCR-300, and influenced the company's success in the field of radio communication.

6. 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]

7. MDC-1200 - Wikipedia

   en.wikipedia.org/wiki/MDC-1200

   MDC (Motorola Data Communications), also known as Stat-Alert, MDC-1200 and MDC-600, is a Motorola two-way radio low-speed data system using audio frequency shift keying, (AFSK). MDC-600 uses a 600 baud data rate.