Have You Done Such A Thing Before? - Technology Market - Nairaland
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| Have You Done Such A Thing Before? by buylista(f): 4:58am On Jan 19, 2018 |
How do I stop cell phone use in the classroom? Assume that I cannot confiscate them, and that I have already asked in polite ways. Cell phone jammers are available, and are ethically questionable on a number of levels - but if you're stuck they are known to work. They range from a few meters to a hundred meters. Example: http://www.jammer-buy.com/cell-phone-jammer/c-24.html
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