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What device can disable cell phones?

Monroe L. May 16, 2018 11:07

Such devices exist, and a device called a cell phone jammer has been used in many public places. Disrupting a cell phone is the same as jamming any other type of radio communication. A jamming device transmits on the same radio frequencies as the cell phone, disrupting the communication between the phone and the cell-phone base station in the tower.

Jammers can be used in practically any location, but are found primarily in places where a phone call would be particularly disruptive because silence is expected, such as entertainment venues, library and prison.