Although recent news indicates that some prisoners have mobile phones and sometimes they use them to access the Internet, the Ministry of Justice has just announced that French prisons will use new high-tech cell phone jammer, but the specific cost has not been specified.
Attorney General promises new signal jammer, Christiane Taubira yesterday announced the title "Counter-Terrorism Justice" following a statement from Manuel Valls following the Charlie Weekly attack (PDF) Outline of the plan. A total of 181 million euros will be released in the next three years, of which 110 million euros will be released in 2015. As a result, prison administrations will benefit from a protection fund of 43 million euros, part of which will be used for "universal high-tech mobile phone jammers." However, no plans have been provided for Place Vendôme.
According to Agence France-Presse, the head of the seal said that the new equipment designed by Thales is being tested in Île-de-France. These will be more effective than previously used signal jammers, as their range will be more targeted.