Where can cell phone jammers be used?

  • alexytonyalexytony
    Mobile phone signal jammers are very popular. Where are many jamming devices used? It is one of the most widely used devices I know in school. Besides, where is it still used?
  • PerfectjammerPerfectjammer
    In addition to schools, prisons, courts, churches, national security agencies, military and political departments all use mobile phone signal portable jammer as security tools. Now many large companies have also begun to install jammers to prevent the leakage of company secrets. Ensure order during the meeting.

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