Signal jamming? Does it already exist?

  • Winfredkatrine
    Hi, everyone!
    I'm a student at the Seattle business school, and I've noticed that I don't get any cell phone reception on campus these days. I was told that I may have been affected by the jammer. Is this kind of thing popular now?

  • PerfectjammerPerfectjammer
    Hello, Winfred
    No doubt the technology has a long history. The device is already in use in many countries. Radio interference is used to block cell phone signals. This device is often called a signal jammer
    Many educational institutions now use the devices for tests. But this is the first time I've heard of it being used all day
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