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1-3 Bands Cell Phone Jammers

1-3 Band jammers is the earliest production of cellphone jammers. Have the mature technology and workmanship, so the price is the cheapest. As the smallest interference device, it is easy to carry and concealed. Due to this characteristic, this kind of jammer's very popular. In some countries in Europe and America, this kind of jammer is the most common. You can see them in many public places. Because this type of jamming device is currently one of the most cost-effective

This jammers interference range is not large, suitable for short-range interference signal, commonly used in classrooms, small meeting rooms and other places

Compared with other jammers, this type jammer is small and easy to carry. From portability and concealment, this kind of jammer is a good choice. It can be put into a coat pocket or a backpack. For teachers, this kind of interference device is very helpful for maintaining classroom order.
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