The jammer is called a “mobile phone portable jammer” in the United States, and it emits radio waves that prevent the phone from connecting to the network. For the equipment used by the police, children within a radius of 5 meters are hundreds of meters. In France was fined 450 euros. Only prisons and event halls can use radio systems that make cell phones unusable. ”
Pierre-Yves Daumas and his company Magnum Telecom, suppliers of about 20 French prisons, have also been delivered to private individuals until they received a warning letter from the National Frequency Agency (ANFR) in December 2007: as the company emailed As the query shows, parents are not the only ones who can easily encrypt. A teacher hopes to “restrict the use of laptops during class (of course it is prudent)”. A university professor said he was tired of having students carry portable pumps during the exam.
Other types of customers: clinic operating rooms, doctor’s offices “uncomfortable with customers’ laptops”, pharmacies, construction companies that “want to prevent drivers/operators from being distracted by duty”, sales representatives, he “wanted Keep quiet during the meeting”, a restaurant owner, the Bank of Mexico… The bishop meeting said that the Catholic Church prefers “to believe in the bourgeois spirit of believers, who will meditate and turn off their phones when they come in.” Or the middle-aged employee?
Abroad (accounting for 90% of sales), Magnum Telecom’s largest customers are still the government: India, Lebanon, prisons in Cyprus, hospitals and mosques in Saudi Arabia, and are currently being tested by the Algerian army…Most of the manufacturing in Asia Telephone jammers (for example in Mumbai, India). However, since we are not laughing at the security of national prisons, Magnum Telecom tends to produce in France in response to government bids. Unlike simple jammers, jammers installed in prisons are coupled to detectors and only trigger when they recognize a call from or to a mobile phone. Therefore, they will not broadcast continuously to protect the health of the detainees.