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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] By July 1941, it was in mass ...

3. SCR-300 - Wikipedia

   en.wikipedia.org/wiki/SCR-300

   Motorola SCR-300 circa 1940 The SCR-300 , designated AN/VRC-3 under the Joint Electronics Type Designation System , was a portable radio transceiver used by US Signal Corps in World War II . This backpack -mounted unit was the first radio to be nicknamed a " walkie talkie ".

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. Family Radio Service - Wikipedia

   en.wikipedia.org/wiki/Family_Radio_Service

   Motorola T5320 FRS handheld radio. The Family Radio Service (FRS) is an improved walkie-talkie radio system authorized in the United States since 1996. This personal radio service uses channelized frequencies around 462 and 467 MHz in the ultra high frequency (UHF) band.

6. List of Motorola products - Wikipedia

   en.wikipedia.org/wiki/List_of_Motorola_products

   This is a list of Motorola products. Motorola Mobility is an American subsidiary company of Chinese multinational technology company Lenovo that manufactures consumer electronics and telecommunications products.

7. 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.