I am a school leaders. Thanks to the popularity of smart devices, more and more people are using them to break school rules. Such as using cell phone in class to watch video or when the exam cheating.
So, I want to try to use jammer to stop these actions. But I don't know where I can buy these devices
This device can usually buy on the online store. At present, Japan, China, Russia, French education institutions have begun to use such devices to manage students.This kind of cell phone jammer in addition to the mobile phone signal can also block the WiFi signal. So, you don't have to worry about the student class to watch video