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How to block GSM signals
Received questions
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Hello, everyone!I am a teacher and my students always like to use mobile phones in class. How can I ban GSM signals to prevent them from using their phones for long periods of time?
Second floor
Hello, Elva
Currently, it is legal for education institutions in most countries to use WIFI signal jammer. If you want to stop students from getting distracted in class. It is recommended that you use jamming devices that can block WIFI and 4G signals
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Countries
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