Many students play mobile phones, listen to music, and watch videos in class. This affects learning. How can I stop them?

I just graduated this year and became a teacher in a private high school. Since I have no experience and aura, my students are not afraid of me. They often play mobile phones, games, Facebook, and social networks in class. How can I stop me? them?

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Topsignaljammer  2022.

Hi, this is actually quite simple. We just need to block or cover the cell phone signal.

The current phone signal blocker are all frequency bands, which can block all 2G 3G 4G signals, 2.4G WIFI signals and Bluetooth signals. frequency, so as to achieve the purpose of shielding them.

Therefore, as long as the jammer is turned on, the mobile phone cannot make calls, send and receive text messages, and surf the Internet.

This cannot be avoided by any number and band cracking, because no matter which number or band you use, it is within its shielding range.

There is also bluetooth software, because its frequency will also be blocked by the blocker.