A teacher, or the prison, more and more ares are considering the legal use of cell phone jammers, it has been a necessity of our daily life, I have got one from jammerall.com or my family. so if you want to get one, you can go and visit it for more details. share with you!
i trust jammerall.com , i bought the GPS jammer knock off that llike $230 bucks i got it a week after i paid for it. the phones great, no cheap feeling, packaging was good when it arrived, and the quality is next to perfect. id say buy the jammer. and shipping is free