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School teachers turn to cell phone jammers

Perfectjammer 2019-10-28

With the popularization of smart devices, more and more students are equipped with smart phones, and the school and teachers have a weaker and weaker constraint on students. More and more students do not listen to what the teachers say in class, but log in the social platform with their mobile phones. So many school teachers are turning to a device called a cell phone jammer

We know when the signal jammers works in classroom,all mobile phones will be disable in working.Signal jammers are devices emit signal in the same frequency range with the phones use,well blocking transmissions by creating by strong interference.So students can’t play with their phones anymore in class -- teachers have to do this because almost of students are allowed to bring cell phones to class,but they are lack in possessiveness.