The cellphone signal jamming system is designed for conference privacy, jamming the remote-controlled explosive initiated by cell phone, public security and etc. It is easy to install and control. It can be installed on the wall, the ceiling or any other place according to the security and protection requirement.
The system can jam various kinds of GAM and CDMA mobile phones, including the little smart. And it only jams the downlink signal and has no effect on the uplink signal. The VS series do no harm to the cell phone. Once the cell phone is not in the protected area, it will work normally as before. The VS series have no effects on other electronic devices because they are not on the same band. The VS series can have the jamming function within seconds after it has been turned on.
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