With the development of smart grid, the demand for intelligent user terminals in various countries in the world is also increasing. According to statistics, with the construction of smart grid in various countries in the world in the next 5 years, the number of smart meters installed in the world will be as high as 2 Billion only. Similarly, in China, the demand for smart meters as user terminals will increase substantially with the progress of the construction of a strong national smart grid. The conservative estimate is that there will be about 170 million demand in the market. Some of the funds allocated by the U.S. government to upgrade the national grid are specifically designed to power 13% of US households (18 million households) in smart meters over the next three years. In Europe, Italy and Sweden have completed the deployment of an advanced metrology infrastructure, replacing all common meters with smart meters. France, Spain, Germany and the United Kingdom are expected to complete in the next 10 years will also complete the full promotion and application of smart meters.
