Mobile phones have become a new source of noise pollution, affecting normal work instructions. With the popularization of mobile phones, the use environment of conference rooms, courts, libraries, schools and other places has further deteriorated. The noise generated by mobile phones has affected the serious atmosphere and has even affected people's normal work performance. And destroy the peace in these places. A new type of cell phone jammer starts to prevent the reception of mobile phone signals, thereby preventing the generation of mobile phone noise from the source.
When buy and using the jammer device, you must first install the antenna according to the corresponding logo on the main unit, and then connect the main unit power supply. Avoid using the mobile phone jammer device without properly installing the antenna. The effective coverage of the shielding device is a circular area centered on the device, so care must be taken when selecting the correct signal shielding device location to avoid dead corners in the shielding layer.
Phone signal jammer will become your most trusted and loyal supporter, and provide a safe and quiet space! The National Security Bureau, the National Security Bureau Scientific and Technological Achievement Appraisal Committee, the PLA Information Security Evaluation Center, the National Explosion-proof Electrical Product Quality Supervision and Inspection Center, etc., have obtained the approval of the product testing center for mobile phone signal jammer protection products and issued corresponding Certificate, and obtained certification from the Ministry of Public Security, the Ministry of Public Security, the Electronic Product Quality Inspection Center, and the Electromagnetic Leak Detection Center.