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A walkie-talkie, more formally known as a handheld transceiver (HT), 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. First used for infantry, similar designs were ...
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]
On 17 and 18 September 2024, thousands of handheld pagers and hundreds of walkie-talkies used by Hezbollah, a Lebanese armed militant group and political party, exploded in simultaneous attacks across Lebanon and Syria. [9] [10] [11] As of 19 September 2024, 37 people have died, [12] including at least 12 civilians. [13]
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]
Al Gross (engineer) Irving " Al " Gross (/ ɡroʊs /; February 22, 1918 – December 21, 2000) was a pioneer in mobile wireless communication. He created and patented many communications devices, specifically in relation to an early version of the walkie-talkie, [1] Citizens' Band radio, [2] the telephone pager [2] and the cordless telephone.
It has been nicknamed "The Walkie-Talkie" because of its distinctive shape, said to resemble a walkie-talkie handset. [4] Construction was completed in spring 2014, and the three-floor "sky garden" was opened in January 2015. [5] The 38-storey building is 160 m (525 ft) tall. Since July 2017, the building has been owned by Lee Kum Kee Groups.
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. It does not suffer the interference effects found on citizens' band (CB) at 27 MHz, or the 49 MHz band also ...
A personal radio service is any system that allows individuals to operate radio transmitters and receivers for personal purposes with minimal or no special license or individual authorization. Personal radio services exist around the world and typically use light-weight walkie talkie portable radios. The power output, antenna size, and ...
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