The Cell phone blocker is called cell phone jammer. Is a product invented for cell phone signal blocking, available at Jammers.store.
July 4, 2022
Exam! ! ! Can cell phone jammer stop cheating?
Different countries have different views on the role of mobile phone jammers in exams. Some countries allow the use of mobile phone signal jammers to block mobile phone signals in their own countries to prevent candidates from cheating and affect the fairness of exams, such as China.Others feel that blocking cell phone signals to prevent [...]
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