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The Federal Communications Commission is investigating Amazon and other retailers over the alleged marketing and sale of wireless signal jammers, the agency said Wednesday.
A spokesperson for eBay said the company looked into the products and determined they were lawful white-noise machines or similar audio blockers, not FCC-prohibited radio signal jammers.
Example of a mobile phone jammer, produced by Jammerspro. A mobile phone jammer or blocker is a device which deliberately transmits signals on the same radio frequencies as mobile phones, disrupting the communication between the phone and the cell-phone base station, effectively disabling mobile phones within the range of the jammer, preventing them from receiving signals and from transmitting ...
Then, the vehicle moves to another location and sends out signals until it connects with the phone. When the signal strength is determined from enough locations, the computer system centralizes the phone and is able to find it. Cell phones are programmed to constantly search for the strongest signal emitted from cell phone towers in the area.
Radio jamming is the deliberate blocking of or interference with wireless communications. [1] [2] In some cases, jammers work by the transmission of radio signals that disrupt telecommunications by decreasing the signal-to-noise ratio.
Eliminate dead zones with these devices that work at home and on the go.
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The Improvised Explosive Device Countermeasure Equipment (ICE) is a vehicle-mounted electronics-based jamming system that uses low-power radio frequency energy to thwart enemy improvised explosive devices (IEDs).