What is 4G?
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M$2 Answers
According to,
http://www.wisegeek.com/what-is-4g.htm
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4G, an acronym for fourth-generation wireless, is a technology that will transform wireless communications in a completely new way. It is also known as “beyond 3G," since it provides a comprehensive and secure IP (Internet Protocol) solution. Users will enjoy high quality streaming video and "anytime, anywhere" voice and data at a much higher speed than previous generations.
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http://ezinearticles.com/?Markets-and-Providers-That-REALLY-Have-4G-Capabilities&id=3985816
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There are two major systems of 4G Wireless Networks using 4G technology in the United States today. One is called WiMax and is owned by Sprint Nextel, who began testing the system in 2008. The other system is called Long Term Evolution (LTE) whose majority owner is Verizon. The LTE system, however, will not be widely available until 2012. This leaves Sprint as the only carrier offering 4G cell phone coverage at this time. Other cellular companies claim to have 4G capable phones and they do, but until the LTE system is implemented, their devices will operate only on 3G capable networks.
Sprint's 4G Wireless Phones' coverage is expanding rapidly. As of January 2010, Sprint has 4G coverage in 34 cities, the majority of which are located in Texas, where 14 major cities are covered. They intend to have more than 80 cities with 4G coverage by the end of 2010. Another ultimate goal of Sprint's 4G mobile technology is to reduce blips in transmission when a device moves between areas covered by different networks
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http://en.wikipedia.org/wiki/4G
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