In recent years, the number of websites offering “cell jammers” or similar devices designed to block communications and create a “quiet zone” in vehicles, schools, theaters, restaurants, and other places has increased substantially. While these devices are marketed under different names, such as signal blockers, GPS jammers, or text stoppers, they have the same purpose. We remind and warn consumers that it is a violation of federal law to use a cell jammer or similar devices that intentionally block, jam, or interfere with authorized radio communications such as cell phones, police radar, GPS, and Wi-Fi. Despite some marketers’ claims, consumers cannot legally use jammers within the United States, nor can retailers lawfully sell them.

News Release: FCC Enforcement Bureau Steps Up Education and Enforcement Efforts Against Cellphone and GPS Jamming. [Word | PDF]

Advisory: Retailers Advised that the Marketing or Sale of Devices Designed to Block, Jam, or Interfere with Authorized Radio Communications Is Strictly Prohibited in the U.S. Enforcement Bureau Takes Action Against the Retail Sale of Jammers. [Word | PDF]

Advisory: CONSUMERS BEWARE: It is Unlawful to Use “Cell Jammers” and Other Equipment that Blocks, Jams, or Interferes with Authorized Radio Communications in the U.S. [Word | PDF]

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Updated: 
Friday, November 20, 2015 - 1:45pm