How to block GSM signal

  • AudreyNelly
    Hello, everyone!
    I am a teacher and my students always like to use mobile phones in class. How can I ban GSM signals to prevent them from using their phones for long periods of time?
  • PerfectjammerPerfectjammer
    Hello Audrey!
    According to your situation, I recommend your school to purchase a batch of interference equipment to build a blocking network.
    The benefits are quick results, low cost, and maneuverability. Of course, since 4G is now mainstream, it is recommended that you buy GSM jammer with 4G capabilities.

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