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Cell phone jammer Montreal , Can wifi jammers be used in prisons? - Jammer-buy Forum

Can wifi jammers be used in prisons? - Jammer-buy Forum
Can wifi jammers be used in prisons? - Jammer-buy Forum
I know the prison cell phone jammer. I don’t know if the prison will use a wifi jammer. Prison using signal jammer is to block network signal of the prison, deter criminals and external partner link, is important for the safety of the prison, wifi jammer will be used by a prison? Or does the prison signal jammer have a variety of signal shielding functions?

cell phone jammer Montreal

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