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portable cell phone gps wifi jammer

portable cell phone gps wifi jammer

4G phone jammer is a device that sends or receives signals from a block, usually by creating some form of interference within the same frequency range that is used in cellular phones. Its purpose is to help people solve different problems from cell phones, radio signals and wireless connections. Each type is designed to work within a specific frequency range The device is used to block signals in environments that may not require mobile phone activity, such as theaters, churches, classrooms, libraries and operating rooms. Portable personal jammers allow their owners to prevent nearby people from using their phones.


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