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advanced mobile phone service digital

См. также в других словарях:

  • Narrowband Advanced Mobile Phone Service —    Abbreviated NAMPS. A proposed standard from Motorola that combines the AMPS (Advanced Mobile Phone Service) cellular standard with digital signaling information. NAMPS is designed to provide a higher level of performance, reduce the number and …   Dictionary of networking

  • Advanced Mobile Phone Service —    Abbreviated AMPS. Currently the cellular telephone standard in the United States; an analog, cellular communications system developed by AT&T. AMPS uses frequencydivision multiplexing (FDM) and operates in the 825 to 890MHz range.    See also… …   Dictionary of networking

  • Advanced Mobile Phone System — Motorola DynaTAC 8000X AMPS mobile phone Advanced Mobile Phone System (AMPS) was an analog mobile phone system standard developed by Bell Labs, and officially introduced in the Americas in 1983,[1] …   Wikipedia

  • Mobile phone industry in Japan — Japanese mobile phone handsets from 1997 to 2004. The Japanese mobile phone industry is one of the most advanced in the world. According to statistics announced from the Ministry of Internal Affairs and Communications, as of June 2009 there were… …   Wikipedia

  • Mobile phone industry in the People's Republic of China — Main articles: Telecommunications in China and Telecommunications industry in China 3G TD SCDMA mobile phones on display at a China Mobile s branch (Photo taken in February, 2010, in Dalian, China …   Wikipedia

  • Mobile phone — Cell Phone redirects here. For the film, see Cell Phone (film). Handphone redirects here. For the film, see Handphone (film) …   Wikipedia

  • Mobile phone features — There are many mobile phone features found in today s mobile phones that offer users many more capabilities than only voice calls or text messaging. Contents 1 General features 2 Multi mode and multi band mobile phones 2.1 Challenges in producing …   Wikipedia

  • Mobile telephony — Mobile phone tower Mobile telephony is the provision of telephone services to phones which may move around freely rather than stay fixed in one location. Mobile phones connect to a terrestrial cellular network of base stations (cell sites),… …   Wikipedia

  • Digital AMPS — IS 54 and IS 136 are second generation (2G) mobile phone systems, known as Digital AMPS (D AMPS). It was once prevalent throughout the Americas, particularly in the United States and Canada. D AMPS is considered end of life, and existing networks …   Wikipedia

  • Digital divide — Graph of internet users per 100 inhabitants between 1997 and 2007 by International Telecommunication Union …   Wikipedia

  • Mobile broadband — For fixed wireless Internet access, see Wireless broadband. A mobile broadband modem in the ExpressCard form factor for laptop computers …   Wikipedia

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