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What is the use of mobile jammer?

Although I've heard about cell phone signal jammers for a long time, and this device has been mentioned more and more in recent years. But I don't know what the uses of such devices is.

asked Jun 7 '18 at 16:39

Answers

Hi, Elva.
Indeed, in recent years, the device, known as a cell phone signal jammer, has been mentioned more and more. There were still many people who didn't know what the device was for.
Cell phone jammer is a device that can jam cell phone signals. It is often used in cinemas, cafes and other places. Education has also started using such devices this year. Mainly used to prevent students from cheating in exams. In addition, prisons are introducing such equipment.

tags: cell phone

Asked: Jun.7 16:39

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