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2. Mobile phone jammer - Wikipedia

   en.wikipedia.org/wiki/Mobile_phone_jammer

   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 ...

3. Stingray phone tracker - Wikipedia

   en.wikipedia.org/wiki/Stingray_phone_tracker

   When conducting base station surveys, the StingRay mimics a cell phone while passively collecting signals being transmitted by cell-sites in the area of the StingRay. Base station survey data can be used to further narrow the past locations of a cellular device if used in conjunction with historical cell site location information ("HCSLI ...

4. Radio jamming - Wikipedia

   en.wikipedia.org/wiki/Radio_jamming

   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.

5. Group of illegals used blowtorches, cellphone jammers and ...

   www.aol.com/group-illegals-used-blowtorches-cell...

   A federal grand jury returned an indictment against 11 foreign nationals for using blowtorches and cellphone jammers to rob banks and ATMs across several states.

6. Outlawed anti-drone radio jammers are being marketed on ... - AOL

   www.aol.com/news/anti-drone-companies-market...

   The Federal Communications Commission has warned that jammers can interfere with emergency communications, disrupt normal phone use and have other unintended consequences such as confusing airport ...

7. Radar jamming and deception - Wikipedia

   en.wikipedia.org/wiki/Radar_jamming_and_deception

   The jammer does not know if their jamming is effective before operator starts changing radar transmission settings. Using EW countermeasures will give away radar capabilities thus on peacetime operations most military radars are used on fixed frequencies, at minimal power levels and with blocked Tx sectors toward possible listeners (country ...

8. R-330Zh Zhitel - Wikipedia

   en.wikipedia.org/wiki/R-330Zh_Zhitel

   R-330Zh Zhitel ECW signal jammer, deployed on exercises R-330Zh Zhitel ECW signal jammer, side view while parked at a military exhibition. The R-330Zh Zhitel is a mobile truck-mounted electronic warfare jamming communication station, manufactured by NVP Protek and fielded by the Armed Forces of the Russian Federation (AFRF). [1]

9. Phone firms denying US military requests for security data ...

   www.aol.com/news/phone-firms-denying-us-military...

   Phone companies are denying the U.S. military's requests for data about vulnerabilities in the American telecom system, according to a letter released Wednesday. In answers provided to Democratic ...