This picture makes it all clear about the principle of 5G.

This article is reproduced from: CCTV

5G is getting closer and closer to us. On the 18th, the construction of the world's first 5G railway station began at Shanghai Hongqiao Railway Station. At the end of last year, the Ministry of Industry and Information Technology issued licenses for the use of test frequencies in the middle and low frequency bands of 5G systems to China Telecom, China Mobile and China Unicom. According to the timetable of the three major operators, 5G devices will be put into commercial use this year.

If you often follow the push of CCTV news, I believe you already have a certain understanding of "5G". However, after all, 5G is a new technology, and many netizens said after reading the popular science diagram that they still want to know when 5G devices can be used and more secrets behind 5G technology. Today, the editor has prepared another "science class" for you. I believe you will find the answers to all kinds of questions in the picture below.