Some overseas prisons also implement cell phone signal jammers and prohibit the use of cell phones in prisons. from dojammer's blog

In order to better enforce the ban on the use of cell phones in prisons, relevant departments will require communication companies to ban uncertified communication equipment. This measure may be based on one of the serious violations of relevant laws and regulations. Standards enforce the law. Legislators in the lower house of parliament can read the decree on Monday.

Prison Section Chief Andre said: "Although the previous series of secu rity measures did not have actual results and instead led to an increase in the illegal use of communication equipment, the promulgation of this latest policy will definitely increase the number of solutions. This probability of confusion. Once the jammer is recognized on the mobile device, we can further comfort the victim and prevent illegal activities to a greater extent than before. "British Enforcement Prison Cell Phone Signal Jammer, The use of mobile phones in prisons is prohibited.

This method will mean that once an unauthenticated mobile phone or SIM card is checked by a new generation of inspection equipment, the authority part of the prison can make a request to the court through normal procedures and ask the communication company to cut off the phone. The detected cell phone may have a SIM card. Senior judicial officials stated that when the People's Court issues an order, it does not necessarily confirm the mobile phone. The user of the SIM card may be a special prisoner. The ban on the use of mobile devices in prisons has been incorporated into the law, and relevant departments have adopted many different methods to enforce this rule, including inspections, full-body scans, and the use of ultraviolet light equipment. Use metal detectors for these. Senior officials from the judicial department said that in 2013, a total of 7,451 mobile phones and SIM cards were inspected in prisons. The Chief of Prisons stated that the illegal use of mobile phones in prisons will likely lead to violence and disorder, and may even allow organized and illegal criminal gangs to continue their illegal activities, such as drug smuggling. A series of illegal activities. cell phone signal jammer

The standard for stopping the use of mobile phones in prisons also includes blocking cell phone signals, but through long-term practice, this method has inevitable difficulties. Because the prison signal is blocked.

Other ancient buildings surrounding the prison are often injured together.