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Mobile phones: 1G 2G 3G 4G - Information Technology - Miller School of Medicine at the University of
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日期:2024-07-25
Mobile phones: 1G 2G 3G 4G 1G 1G is short for first-generation wireless telephone technology. This generation of phones and networks is represented by the brick-sized analog phones introduced in the 1980’s. Subsequent numbers refer to newer and upcoming ....看更多