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![4G - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_18.jpeg)
4G - Wikipedia, the free encyclopedia
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日期:2024-09-06
4G, short for fourth generation, is the fourth generation of mobile telecommunications technology succeeding 3G. A 4G system, in addition to usual voice and other services of 3G system, provides mobile ultra-broadband ......看更多