Do you think it's necessary to use a phone jamme in classroom?

liu1003617988's Avatar

liu1003617988

31 Mar, 2017 06:39 AM

Nowadays cell phones are widely used.And many teenagers have their phones now.Some are addicted in it and even use the phones in classroom,this has became a common problems in school. To deal with these,do you think it's necessary to use a cell phone jammer in classroom? http://www.jammer-buy.com/gsm-jammer/c-26.html

  1. liu1003617988 closed this discussion on 31 Mar, 2017 06:39 AM.

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