Experts say that the only way to prevent prisoners from using it for criminal activities is to use Power jammers. Powerful prison signal jammers have become a necessary supplement to the tools needed to detain prisoners. Mobile phones are getting smaller and smaller, which makes it easier for prisoners to smuggle into the facility. This makes it more difficult to operate disciplined personnel, but Power signal blockers are the answer to the restriction of prisoners using mobile phones for potentially dangerous activities. This Power desktop jammer provides a wide range of applications, as well as conference rooms, auditoriums, courts, libraries, examination rooms, schools, cinemas, theaters, hospitals, government agencies, military and financial institutions, security and police command centers, etc.