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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 ...
Country Telecommunications regulator Afghanistan: Afghanistan Telecom Regulatory Authority Albania: Electronic and Postal Communications Authority Algeria: Autorité de Régulation de la Poste et des Communications Électroniques Angola: Ministério das Telecomunicações e Tecnologias
In the past, some United States schools installed mobile phone jammers to prevent cell phones from working on campuses. [85] However, the sale and use of jammers is illegal in the US under the Federal Communications Act of 1934, because jammers cut off 9-1-1 calls and disrupt air navigation if they are used near airports.
(The Center Square) – Georgia Attorney General Chris Carr wants to know why the Federal Communications Commission will not let law enforcement jam prison and jail cell phones. Cellphones are not ...
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.
Several apps listed on the Google Play Store as IMSI catcher detector apps include SnoopSnitch, Cell Spy Catcher, and GSM Spy Finder and have between 100,000 and 500,000 app downloads each. However, these apps have limitations in that they do not have access to phone's underlying hardware and may offer only minimal protection. [21]
The act established a legal basis for regulating wired and wireless communications on a nationwide and worldwide basis. The Federal Communications Commission was founded because of the act; it replaced the Federal Radio Commission. Because of the act, the U.S. government could regulate new media technologies such as television and mobile phones.
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 ...