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The wireless jammer, often also referred to by the English technical term "jammer", emit a mostly broadband high-frequency signal with the aim of preventing the reception of radio transmissions by superimposing their electromagnetic waves. The way it works is based on the fact that the interference signal reaches a potential receiver at its operating frequency with a higher field strength than the useful signal to be suppressed. The admissibility of putting jammers into operation depends on the country-specific legal situation. In most countries, the public cannot legally use it. https://www.jammer-mart.com/ What can cell phone jammers be used for? Retailers can use jammers to prevent you from comparing prices in-store. This could potentially help retailers increase their sales. Signal jammer can also be useful in certain rooms where quiet is desired or distractions are to be avoided. For example, ringing cell phones can be prevented during a cinema show or young people chatting in schools. Criminals could use jammers to interfere with wireless alarm systems and other radio links and prevent an emergency call from being made over the cellular network. Who is interested in cell phone jammers? There are many potential buyers for mobile phone jammer. Wherever the use of cell phones is undesirable, such jammers would probably quickly establish themselves without the ban: Schools, churches, cinemas and theaters, but also some companies and employers would like to use cell phone jammers. Stores could prevent customers from making online price comparisons in-store. https://www.jammer-mart.com/phone-blockers-jammers.html Cell phone jammer in school The problems in exam situations are known. The use of unauthorized aids such as cell phones, smartphones, tablets, wearables or the like. counts as attempted deception in exam situations. For some time now, it has been possible to observe more and more often a remedy through the use of so-called cell phone jammers. The offer now ranges from pure “mobile phone indicators” to active jammers and intelligent IMSI catchers, which force a change to a new GSM cell and also record personal data in the wireless network area.