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Nowadays cell phone is widely used and everyone would keep a phone wherever they go.But there are some situations that we need to be quiet or solemn like court, church,meeting room,school examination room.And sometimes people need to be quiet to learn,to read. That is what cell jammers used for.Besides, some one can eavesdrop your conversations by intercepting your mobile phones signals.And they can also track you through mobile phone tower triangulation which is not the same with the GPS.
In the category we provide you the powerful mobile phone jammer that used in the room like church and handheld jammers for someone that need to protect their privacy or confidential informations.And if you want to find a device against GPS tracking,you can visit the GPS jammer category.
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