With the popularity of smartphones, it is becoming more and more common for prisoners to use communication loopholes to carry out illegal activities. Brier Model Prison has repeatedly reported cases of prisoners contacting the outside world through mobile phones and even continuing to command criminal groups, which has attracted widespread attention from the society. signal jammerIn response to such problems, the Brier Prison management is planning to replace the old 2G jammers to more effectively block 4G and 5G signals to ensure that prisoners cannot communicate illegally through smart devices.cell phone jammer

　　Security risks brought by communication loopholes

　　Although the Indian Ministry of Home Affairs (MHA) issued a policy in 2020 to criminalize the use of mobile phones by prisoners in prison, the situation in Brier Prison shows that the implementation effect is not ideal. GPS jammer In 2022, the prison found a number of smartphones and accessories during a surprise inspection. Prisoners used these devices to keep in touch with the outside world and even continued to participate in criminal activities through instant messaging tools such as WhatsApp.Wifi jammer

　　Especially in barracks 4 and 5, the police repeatedly found mobile phones and Bluetooth devices hidden under the floor. The problem of "insiders" in prisons is also becoming increasingly serious. Some prison guards were fired for helping prisoners obtain communication equipment, which further increased the difficulty of prison communication management.