It has been applied to a large number of high-end customers such as domestic and foreign high-tech manufacturers, scientific research institutions, and government departments. In recent years, mobile phones have exploded. A large amount of capital, manpower, and material resources have been invested unlimitedly in the development and production of mobile phones. In this frenzy, when manufacturers and sellers guide people to consume mobile phones, they only highlight the positive features of mobile phones, and "forgot" to tell people its side effects. In fact, through various specific cases or investigations, it can be found that the side effects of mobile phones have been so great that we have to face them. The most important thing is that the uncontrolled and massive use of mobile phones makes people more and more "transparent". In this open communication system, people with ulterior motives can monitor any information you send anytime and anywhere. In an unprotected environment, you are actually a "transparent person". The security protection of mobile phones may seem simple and trivial, and even a bit unreasonable, but it is actually a matter of the entire country. It is not only related to personal information security, but also the information security of the entire country.
In addition to being used in high-level places such as arsenals, party, government and military, public security, finance, and commercial secrets, the shielding system can also be widely used in places closely related to people's lives. Experts believe that, based on the current use analysis, the market size of cell phone jammer can reach tens of billions of yuan.
