What is a "How Can I Jam A Cell Phone Signal"? The Most Authoritative Explanation.
How do cell phones get jammed?
Mobile phones use one band to send signal to their base station using an "upward signal" and another signal band to receive signal from the base station - the "downward signal". Cell phones can be jammed via interrupting any of these signals at a given point.How does a jamming device work?
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. It's a called a denial-of-service attack.What is a cell phone signal jammer?
Known as cell jammers, signal blockers, GPS jammers, or text stoppers, a cell phone signal jammer holds up the radio frequency in a given area, creating a sort of signal traffic jam that blocks all communication.Can cell phones and other signal jamming devices prevent you from calling 911?
But as troubling as these scenarios may be, cell phone and other signal jamming devices are NOT the answer. Signal jamming devices (e.g., cell phone, GPS, and radar jammers) can prevent you and others from completing 9-1-1 and other emergency calls.
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