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What does 2G 3G 4G mean?
瀏覽：873
日期：2026-04-20
Second, third, and fourth generation cellular (mobile) wireless, respectively. As they progress from 2 to 4G the speed of the network gets progressively faster and the capabilities become far better. 3G speeds are around old-school dial-up where as 4G are...看更多
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