What is a "Cell Phone Jammer App"? The Most Authoritative Explanation.
How do cell phone jammers work?
Cell phone jammers work by emitting a Radio Frequency (RF) signal that is stronger than the power from the nearest cell phone base station or cell phone tower. The frequency of the RF signal is similar to the signal employed by cellular phone carriers and renders the phone unstable. The jamming occurs with the downlink signal.What happens when your cell phone is jammed?
When your phone is being jammed, you will not see any signal bars on your phone. Cell phone jammers will not only block the signal, but because the jammer has overpowered all of the cellular frequency, you will not be able to conduct a 911 emergency call.Are cell phone jammers illegal in the US?
For these reasons, cell phone jammers are illegal in many countries. If a person uses one in the United States, they are breaking federal law. Like many countries, the United States prohibits the employment of cell phone jammers in practically every use case.Is it legal to sell radio jamming equipment?
According to the Federal Communications Commission, “Federal law prohibits the operation, marketing, or sale of any type of jamming equipment that interferes with authorized radio communications, including cellular and Personal Communication Services (PCS), police radar, and Global Positioning Systems (GPS).”
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