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High frequency signal disruptor

Now almost every student in a school has their cell phones. What's worse, cell phones are the "weapon" many students use against their teachers. Most students use their cell phones to surf the Internet during a lecture. Many students tend to listen to music or play video games in the classroom. It is common for a cell phone to ring suddenly during a classroom lecture, which is often a distraction. or worse, some students use cell phones to help them cheat on an exam…. A new phenomenon, "cyber bullying", has been reported to indicate that students are electronically torturing others through text messages and social networks when attending lectures.

Under such circumstances, a cell phone signal jammer should be installed for school classes to relieve teachers from this agony. To block the usual 3G 4G WIFI / Bluetooth signals from these cell phones, a 3G 4G WIFI signal interferer for cell phones is sufficient.

multiband bluetooth jammer
Handheld Multiband Powerful GSM 3G 4G GPS WIFI Bluetooth Wireless Video Jammer

The best-selling high-performance handheld portable mobile phone jammer on the market can effectively block all mobile phone signals. GPS WiFi2.4G 3G all frequency bands, each frequency band has independent switch. At the same time, it can effectively prevent the GPS satellite positioning and tracking, and the interference radius is 5-20 meters.

$235.69$369.89

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