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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]
Ludwigsburg Palace is a 452-room complex of 18 buildings in Ludwigsburg, Baden-Württemberg, Germany. It is the largest palatial estate in the country and has been called the " Versailles of Swabia ". Eberhard Louis, Duke of Württemberg, began construction of the palace in 1704. Charles Eugene, the son of his successor, completed it and ...
UMTS 2100/1900/850/800 MHz or 2100/1700/900 MHz and GSM/GPRS/EDGE 850/900/1800/1900. Optical Trackpad, Capacitive Touchscreen interface, 5 MP camera, speakerphone, Bluetooth 2.1, Wi-Fi 802.11 a/b/g/n, GPS, external microSDHC, 3.5 mm stereo audio jack, 1.2 GHz processor, Thinnest BlackBerry, NFC Mobile Payment System.
Mobile phone. 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 ...
A number of organizations within the Wikimedia movement including the Wikimedia Foundation publish official mobile apps for mobile access to Wikipedia. All are available via the appropriate app store (e.g. Google Play, App Store, Microsoft Store, F-Droid ). They can also be downloaded independently of any third-party store, from the Wikimedia ...
Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in 1876. Elisha Gray, 1876, designed a telephone using a water microphone in Highland Park, Illinois. Tivadar Puskás proposed the telephone switchboard exchange in 1876. Thomas Edison invented the carbon microphone which produced a strong telephone ...
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 ...
Nikola Tesla laid the theoretical foundation for wireless communication in 1890. Guglielmo Marconi, known as the father of radio, first transmitted wireless signals two miles away in 1894. Mobile technology gave human society great change. The use of mobile technology in government departments can also be traced back to World War I.