Use of jammers in prison
Signal inhibitors, commonly known as jammers, are devices that create interference to intentionally disrupt communication services. In the case of mobile services, they interfere with communication between the mobile terminal and the base station.
In several Latin American countries, jammers are used to prevent unlawful use of mobile phones in certain places, such as prisons. However, the nature of radio signals makes it virtually impossible to limit the interference of jammers to the interior of a building, for example. Proper use of these devices requires an understanding of their limitations and unwanted side effects.
This report aims to provide guidelines for public safety policymakers about the limitations of jammers and the complexity of their use by explaining the basic concepts of how they work and highlighting empirical case studies. It also outlines the applicable regulatory frameworks in several Latin American countries and summarises the recommendations for effective use of jammers.
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