2020-01-21 15:10:31 更新

The state government had earlier allotted Rs 5 crore for procuring 12 mobile phone signal jammer to be installed in various central prisons to control the use of mobile phones by the prisoners. Two mobile phone jammers had already been installed at the Puzhal Central Prison


https://www.perfectjammer.com/gps-blockers-jammers.html


An effective jammer does not necessarily need to be outputting a significantly higher power level than the devices it wishes to jam. most Cellfones use CDMA technology which means they are all essentially broadcasting on the same frequency, but they are all synchronized with the base station and transmit different "codes" within that frequency to allow the base station to decipher them individually. However, a single rogue phone on the CDMA frequency that is constantly blasting out garbage noise instead of carefully synched CDMA codes will drown out its immediate neighbors...


https://www.perfectjammer.com/wireless-wifi-bluetooth-jammers.html


We live in a society that thrives on cell phone usage. We keep them on hand 24/7 in case we need to look something up to win an argument, get an important text or email that couldn't wait an hour for us to check, or take a selfie of whatever it is that we're doing that we feel all of our Instagram followers should know about. Our cell phone jammer have found ways to become a part of every single aspect of our lives. And while they have done a great job at connecting us with friends and family around the globe, and helping to organize our lives, we have all had movie experiences ruined by an overzealous texter.


https://www.perfectjammer.com/all-cell-phone-jammers-blockers.html


In addition to this. Cell phone use in classrooms is now so rampant that the students now think they have a right to use them during class. They are not listening to instruction and directions need to be repeated many times because they were texting, listening to music on their phone playing a game or watching a video or movie. Some students have even taken or made a voice call during class. In this case, the phone jammer should be used..


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