Is cell phone jammer important to prison? - Jammer-buy Forum
Is cell phone jammer important to prison? - Jammer-buy Forum
With the development of technology, mobile phone jammer is very important and widely used. Especially in large places like schools and prisons. Why do prisons use cell phone jammers? On the one hand, in order for criminals to cut off the Internet, they can’t commit cyber crimes again. On the other hand, it is also for the security of prisons, which is very important for criminals and prison administrators.If you need a similar prison jammer, you can get it from here.

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