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Walkie-talkie

From Simple English Wikipedia, the free encyclopedia
Two consumer-grade walkie-talkies (PMR446-type)
Some Walkie-talkies
How the back-pack version was used.
Noemfoor, Dutch New Guinea, July 1944. A US soldier (foreground) uses a handie-talkie during a battle. (Photographer: Allan F. Anderson)

A walkie-talkie is a hand held two way radio receiver/transmitter or transceiver. It was developed in the Second World War.

Radio engineer Alfred J. Gross worked on the early technology behind the walkie-talkie between 1934 and 1941. During the war it was developed by Donald L. Hings and engineering teams at Motorola led by Henryk Magnuski.[1][2]

Typical walkie-talkies today are phone sized and have a push-to-talk button. Walkie-talkies are used for various reasons, in the military, for amateur radio, and for personal use.

The first walkie-talkie was so large it had to be carried in a backpack, and was called Motorola SCR-300. Motorola also made other Walkie-talkies during World War Two.[3] During World War Two The first hand-held Walkie-talkies were also developed by Motorola during WWII.[4]

Development

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The idea of walkie-talkies did not get much interest until the war started in 1939. After a few years, the Motorola team had improved them so that the army could use them. There were also vehicle and tank versions.[1] The British, Germans, and Americans all had their own versions.

Motorola also produced the hand-held AM SCR-536 radio during World War II, and it was called the "handie-talkie" (HT).[4] The terms are often confused today, but the original walkie talkie referred to the back mounted model, while the handie-talkie was the device which could be held entirely in the hand (but had vastly reduced range).

Walkie-talkies are widely used in many settings, including business, police force, military, and recreation.

References

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  1. 1.0 1.1 Donald L. Hings, inventor & telecommunications pioneer Walkie Talkie [1]
  2. The history of the Walkie talkie
  3. Radio set SCR-300 – A War Department technical manual TM 11-242 [2]
  4. 4.0 4.1 Wolinsky, Howard (2023-08-21). "Riding radio waves for 93 years, Motorola milestones". Walkie-Talkies.net. Archived from the original on 21 August 2023. Retrieved 21 August 2023.