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Breaking through the jammer blockade: the mobile phone problem of prisoners in Puzhal Prison is getting worse | #signaljammer

Breaking through the jammer blockade: the mobile phone problem of prisoners in Puzhal Prison is getting worse

Breaking through the jammer blockade: the mobile phone problem of prisoners in Puzhal Prison is getting worse

The battle between signal jammers and the wisdom of prisoners Although the latest mobile phone signal jammers have been installed in Puzhal Prison