Where is the high-end desktop jammer device suitable for use?

edited July 10 in General
I see a lot of high-end desktop jammers in the online store, and they are so expensive, but I wonder where they are mainly used.

Comments

  • High-end strong wifi jammer in every country in the world has applications, mainly include schools, prisons, large conference room, courts, churches, gas stations, national secret organizations, military bases, etc.
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