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Call Number Block On Cell Phone

Perfectjammer 2021/11/20

Recently, with the rapid spread of mobile phones, various harmful effects have been pointed out. Using mobile phones in public places such as hospitals, movie theaters, lecture halls, libraries, etc., is worried about breaking the silence and affecting precision equipment. There are also some unexpected problems, such as taking them to school to cheat. The problems that hinder school attendance and the increase of students secretly using mobile phones in class are becoming more and more serious. Therefore, by introducing " Call Number Block On Cell Phone ", you can make your mobile phone unusable in class, and you can concentrate on class. Unnecessary PHS and mobile phones (Wi-Fi / 3G / GSM / DCS / CDMA) are out of service! It is a device that prevents the reception of control signals from the base station by placing the terminal outside the service area and temporarily disables outgoing and incoming calls. However, you can take a specific area out of the service area or leave the interference range and make a call immediately without interfering with other electronic devices. It is a convenient and safe mobile phone jammer that can adjust the output without affecting the human body at all. cell phone jammer

Although it is portable, it can shut out a wide area with a maximum diameter of 10 m. It can be used for up to 2 to 3 hours, and the battery has a built-in lithium-ion rechargeable battery. It supports USB charging and is equipped with an AC adapter and a cigar socket charger, so you can charge in the car. Call Number Block On Cell Phone The equipment is used in examination rooms, gas stations, churches, courts, libraries, conference centers, theaters, hospitals, military zones and places where the use of mobile phones is prohibited.