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Signal Booster Classroom-What is a mobile phone signal amplifier?

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Cell phone signal amplifier is also called a mini repeater, also called a cell phone companion. From its name, the signal booster knows that its function is to amplify the signal. Amplifiers that specialize in amplifying cell phone signals are called cell phone signal boosters. Boosters are used to amplify cell phone signals and are mainly used to solve the problem of indoor cell phone signal blind spots. The installation and use of mobile phone signal amplifiers should pay attention to the following issues: Mobile phone signal amplifier related issues First choice model. The cell phone signal amplifier is mainly selected according to the signal coverage area and the structure of the building. The signal is too weak, the coverage is incomplete, the signal is too strong, and it interferes with the outdoor signal The second arrangement of the antenna. The directional Yagi antenna is used outdoors, and the direction of the antenna can be as far as possible to point to the mobile company...
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Signal Jammer classroom-how to choose a signal jammer

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Focus on the security field for 13 years, let the professionals help you choose a professional signal jammer. Customized solutions to solve these problems for you Afraid of incomplete shielding? The signal environment is complicated, afraid of not having enough budget? Afraid of being destroyed, the machine life is short? Just want to shield one signal, afraid of affecting other frequency bands? Afraid of being discovered by others after installing a jammer? Afraid that the jammer is too ugly to affect the indoor environment? The mobile phone signal jammer is produced to reasonably avoid and interfere with mobile phone-related signals, such as GPS, WIFI, 2G, 3G, 4G, or 5G in the future. It is mainly used in school examination rooms, prisons, detention centers, etc., in order to ensure fairness and justice in examinations, high school entrance examinations, college entrance examinations, or usual mock exams. So how to choose a signal jammer? From the manufacturer's point of view, if...
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