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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 ...
Portable jammers are phone-sized and low-powered devices. They can block data delivery at a distance up to 15 meters without barriers. Stationary jammers are more expensive and powerful. They usually have a larger jamming radius and wider frequency band. Strong jammers can require additional cooling as they can overheat.
Jammers have many possible uses, including to keep away unwelcome drones, disable security cameras and block Wi-Fi networks. But they can also interfere with emergency communications, normal phone ...
In 2014 the FCC issued an Enforcement Advisory warning the public that "it is illegal to use a cell phone jammer or any other type of device that blocks, jams or interferes with authorized communications" and that "this prohibition extends to every entity that does not hold a federal authorization, including state and local law enforcement ...
But under current law, the list of government agencies with authority to buy and use radio frequency jammers is short, including the FBI and the Department of Homeland Security, as well as the ...
"The use of a phone jammer, GPS blocker, or other signal jamming device designed to intentionally block, jam, or interfere with authorized radio communications is a violation of federal law.
S. 517 would impose a private-sector mandate by eliminating an existing right of action for wireless carriers (and others), who are currently able to pursue legal action against those who, without permission, circumvent the access controls on certain wireless telephone handsets. The cost of the mandate would be the forgone net value of ...
Wi-Fi jammers, which could also block signals on police walkie talkies, are illegal under federal law. Assemblywoman Carol Murph, D-Mount Laurel, introduced legislation earlier this year that ...