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4G data network
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4G data network

technology
Also known as: fourth-generation data network

Learn about this topic in these articles:

mobile telephones

  • computer and mobile phone
    In mobile telephone: Development of cellular systems

    …led to the development of 4G technology. In 2008 the ITU set forward a list of requirements for what it called IMT-Advanced, or 4G; these requirements included data rates of 1 gigabit per second for a stationary user and 100 megabits per second for a moving user. The ITU in…

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WiMax

  • In WiMax

    Part of fourth generation (4G) wireless-communication technology, WiMax far surpassed the 30-metre (100-foot) wireless range of a conventional Wi-Fi local area network (LAN), offering a metropolitan area network with a signal radius of about 50 km (30 miles). In the early 2000s, WiMax proponents hoped to establish a global…

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broadband technology
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broadband technology

telecommunications
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broadband technology, telecommunications devices, lines, or technologies that allow communication over a wide band of frequencies, and especially over a range of frequencies divided into multiple independent channels for the simultaneous transmission of different signals. Broadband systems allow voice, data, and video to be broadcast over the same medium at the same time. They may also allow multiple data channels to be broadcast simultaneously. In the context of Internet access, the term broadband has come to mean Internet speeds faster than those that could be achieved through dial-up.

The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated by Erik Gregersen.
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