cell phone jammer is becoming more and more important in social life
Promotion and use. It is mainly used in examination rooms, prisons, gas stations, mobile phone bomb prevention, oil depots, liquefied gas stations, detention centers, interrogation rooms, courts, labor reform teams, conference rooms, theaters, churches, libraries, school dormitories, special security and confidential occasions (Confidential offices, negotiation rooms, mobile vehicles, mobile politicians and business dignitaries guarding) scenes, etc., and cell phone jammer is becoming more and more important in social life.
