Many schools need to prepare for the exam, such as the layout and layout of the classroom, staffing, and how to stabilize the order of the exam room. This will increase the number of schools during the exam every year. What is troublesome is the current surge in "technology" cheating methods, because these "technology" principles and methods are different, and schools are often difficult to deal with. The main solution for this function is the current solution, because many "high-tech" products send information to the laboratory through signal transmission and must be carried out where there is a signal. Use Build Homemade Cell Phone Jammer in the test room. It can directly shield all electronic signals in the range from the source. Depending on the model and product, the shielding range is also very large. cell phone jammer
A new source of interference that interferes with normal work instructions, reducing noise pollution. With the popularization of mobile phones, the use environment of meeting rooms, courts, libraries, schools, etc. is getting worse and worse. The noise and serious atmosphere generated by mobile phones affect people's normal work performance. Give peace to these places and destroy them. A new type of human crime intervention that affects social stability. Some speculators use terrorists and opponents, some mobile phones use explosive bombs, mobile phone cheating and deception, and criminals who use mobile phone numbers as criminal tools have affected the social stability of Build Homemade Cell Phone Jammer . The company has developed a mobile phone signal jammer. GPS interference to mobile phones will produce safety information, such as electronic fence networks that prevent mobile phones from receiving data, and the increase of new products that form specific electromagnetic signals at gene sites that need to protect base stations. All these are caused by GPS interference to mobile phones. From a security point of view, it is impossible to eliminate adverse effects and establish a connection with the base station.