在无线通信领域，现在主流应用的是第四代（4G）通信技术。5G 正在研发中，其理论速度可达到 （ ） 。
- A.50Mb/s
- B.100Mb/s
- C.500Mb/s
- D.1Gb/s
正确答案及解析
正确答案
解析
5G已实现在28 GHz超高频段以1Gb/s以上的速度传输数据（传输范围2 km）
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