5G networks will cover many cities in China soon.5G means super-fast data speed.

5G网络将很快覆盖中国的许多城市。5G意味着超高速的数据传输速度。

Much of the 5G investment in the U.S. has centered on the high-band frequency – the one offering the fastest data speeds.

美国大部分5G投资都集中在高频段频率上，这一频段可以提供最快的数据传输速度。