Venue: Candidates can put an end to prevention and the use of fraudulent use of modern communication tools. Avoid interference of fire microwave signals caused by gas station and oil depot explosions. Church: Mobile jammers can clear the noise of cell phone signals to maintain a solemn, solemn religious site.
Library: You can quietly continue reading and studying. Theater: As a high-end entertainment, signal blocker Noise can keep the clear interest of the audience enjoying the show. Hospital: It is harmful to the human body, while medical equipment to prevent the use of mobile phones can break down. Court: The court can remain solemn and sacred.
GPS Interferer Military Sector: Prevents the leakage of military secrets. Nuisances solemnly maintain religious