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How can both jam cell phone and wifi signal?

Is there such a device? If I want to jam both the WiFi signal and the cell phone signal.

asked July 3 '18 at 20:45


Hi, Victor
There is no doubt that this device exists. The device is often called a cell phone signal jammer. Such device is often used by education institutions, private enterprises and confidentiality agencies. It can effectively block cell phone signal and WiFi signal

tags: cell phone

Asked: July.3 20:45

Seen: 582 times