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What is a Gsm Jammer?

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I would add that if there is a WIFI signal in your office or nearby, it is recommended to choose a cell phone jammer with WIFI interference. Otherwise, just jamming the phone signal, your staff can still use the WIFI signal.
Where Is a Gps Jammer Used for What Does Drone Jammer? What Frequency Does a Drone Jammer Use? Why Need Drone Jamming Device?
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Countries

If you want to know the frequencies of your country, we can offer you some help:

Featured Articles
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Mobile Jammers Can Protect Students' Physical and Mental Health

Nowadays, mobile phones have more and more functions. When students' self-control is not very strong, browsing some unhealthy information is of no benefit to children's growth. After all, the school’s supervision capabilities are limited, and it is impossible for every student to cover everything.

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