The first is the United States, which has laid a good foundation for the popularization of 5G in 2020. 5G technology provides more spectrum for wireless communication and people's life.
The Brazilian capital has opened the service of 5G mobile communication network. In addition to Brazil, some countries also use the 5G network, such as China, the United States, Sweden, Finland, South Korea, Japan and Turkey.
The longest transmission distance can reach 2 kilometers; 2065438+On June 6, 2009, the Ministry of Industry and Information Technology officially issued 5G commercial licenses to China Telecom, China Mobile, China Unicom and China Radio and Television, and China officially entered the first year of 5G commercial; So it can be seen that other countries in the world are developing 5G besides China.
G is the abbreviation of the fifth generation of mobile communication technology, and it is the latest generation of cellular mobile communication technology, including many technologies. At present, the countries with the largest number of patents in the field of 5G are China, South Korea, the United States, Sweden, Finland, Japan and so on.
China is not the only country with 5g technology. Europe, America, Japan, South Korea and the United States all have it, but China's 5g is the fastest and most advanced. At present, China's first tier cities is fully covered by 5g, and second-tier cities are basically fully covered. Our city is a third-tier city, which has just opened 5g. China is seen by 5g technology, and Huawei is seen by 5g in China.