Why does the country's important exam turn on the cell phone jammer?

jammerbuy

Cell phone jammers are used in important national exams to prevent cheating and to ensure fair and fair examination. It is unfair to not let some people take the chance. Important examinations are an important step in screening talents and should be avoided. Most of the cheating is done via electronic devices such as mobile phones, which can be used to ban the work of these devices and provide protection against cheating.