The successful experience of shielding mobile phone signals in Brazilian prisons: Costa Rica's reference

　　With the rapid development of science and technology, mobile phones play an increasingly important role in daily life.signal jammer However, in some cases, the use of mobile phones may bring serious social problems, especially in prisons, where it is not uncommon for prisoners to continue criminal activities through mobile phones. Therefore, shielding mobile phone signals in prisons has become an important measure to combat crime.cell phone jammer

　　Brazil, as a country with the third largest prison population in the world, has successfully implemented prison signal shielding technology.GPS jammer Costa Rica, as another country in Latin America, is also facing similar problems. Whether it can follow Brazil's practice and shield mobile phone signals in prisons has become an important topic of domestic discussion.

　　1. Mobile phone use problems and signal shielding measures in Brazilian prisons

　　Brazil is the most populous country in South America and has a large prison system. Wifi jammerAs of 2023, Brazil has more than 726,000 people incarcerated, making the country the third largest prison population in the world.Wifi jammer Similar to other countries, the illegal use of mobile phones in Brazilian prisons is becoming increasingly serious. Through mobile phones, prisoners are able to continue to contact the outside world and even organize criminal activities. Especially in drug trafficking and other organized crimes, mobile phones have become an important tool for prisoners to communicate with their accomplices.

　　To address this problem, the Brazilian government, in partnership with Neger Telecom, took a targeted approach, using small antennas and jammers to successfully block 23 of Sao Paulo's 200 prisons. This initiative significantly reduced criminal activity via mobile phones in prisons and became an important tool in combating prison crime.

　　2. Technical Challenges and Innovative Solutions

　　Brazil faces a unique challenge in blocking prison signals: most of the country's prisons are close to urban centers, and if left unchecked, signal blocking could spread to residential areas outside the prisons, cutting off cell phone signals for innocent citizens.

　　To address this problem, Neger Telecom introduced a new technical solution that uses small antennas and smart jammers to achieve precise blocking. The role of the small antenna is to precisely control the jamming signal within the prison to avoid affecting the normal communications of surrounding residents. Unlike the desolate area blocking solutions used in Europe, America and Asia, this Brazilian technology solves the special problems of prisons in urban centers.



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