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Pager. A pager, also known as a beeper or bleeper, [1] is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter. [2]
A mobile phone (or cellphone [a]) is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area, as opposed to a fixed-location phone ( landline phone ). The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which ...
The double sovereign is a gold coin of the United Kingdom with a nominal value of two pounds sterling (£2). It features the reigning monarch on its obverse and, most often, Benedetto Pistrucci 's depiction of Saint George and the Dragon on the reverse (pictured). It was rarely issued in the first century and a half after its debut in 1820 ...
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. [3]
This timeline of the telephone covers landline, radio, and cellular telephony technologies and provides many important dates in the history of the telephone.. Charles Bourseul Johann Philipp Reis Elisha Gray Thomas Edison Alexander Graham Bell Thomas Augustus Watson Tivadar Puskás Emile Berliner Charles Sumner Tainter Theodore Newton Vail
The French Wikipedia ( French: Wikipédia en français) is the French-language edition of Wikipedia, the free online encyclopedia. This edition was started on 23 March 2001, two months after the official creation of Wikipedia. [1] It has 2,615,262 articles as of 2 June 2024, making it the fourth-largest Wikipedia overall, after the English ...
On 30 March 2007 Mayotte adopted the +262 code, used by Réunion, and a new numbering range was introduced for mobile phones: From France: Fixed phone line: 0 269 xx xx xx. Mobile phone line: 0 639 xx xx xx. Outside France: Fixed phone line: +262 269 xx xx xx.
History of mobile phones. A man talks on his mobile phone while standing near a conventional telephone box, which stands empty. Enabling technology for mobile phones was first developed in the 1940s but it was not until the mid-1980s that they became widely available. By 2011, it was estimated in Britain that more calls were made using mobile ...