What is signal jammer? How it works? - 0 views
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ajinkyak on 03 Feb 21A signal jammer is a simple device that simply blocks all radio frequency transmission between cellular phones and cell towers. Also known as cell-to-cell jammers, GPS jammers, or text stoppers, such a device holds the radio signal down in a given geographical area, creating a kind of virtual signal grid that preventing all communication from being able to reach the user.