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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 ...
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. [3] The concept can be used in wireless data networks to disrupt information flow. [4]
In passive mode, the StingRay operates either as a digital analyzer, which receives and analyzes signals being transmitted by cellular devices and/or wireless carrier cell sites or as a radio jamming device, which transmits signals that block communications between cellular devices and wireless carrier cell sites.
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.
Each offense of selling or using an illegal radio jamming device carries a fine of over $100,000, the FCC said. FCC investigating Amazon for reportedly selling illegal radio jammers Skip to main ...
Jammer (rapper) (born 1982), English rapper and producer; Daniel Jammer (born 1966), Jewish German-Israeli businessman and entrepreneur; Max Jammer (1915–2010), Israeli physicist and Rector and Acting President of Bar-Ilan University; Quentin Jammer (born 1979), American retired National Football League player