When you need to use a full-band cell phone signal jammer, but you don't know much about the equipment, you don't know how to choose. In this matter, you need to let a professional person help you choose a more suitable shielding device. And topsignaljammer Technology Co., Ltd. specializes in the production of shielding devices for more than ten years. More professional and trustworthy.
Since the shielding instrument has been trusted by the examination room and other government agencies, do you know what the full-band shielding instrument does? What are the best-selling shielding instruments? Let me introduce to you how to choose a signal shielding instrument. Help everyone.
What is the function of the full-band shielding device used in the examination room?
With the progress of society and the development of high technology, people's level is getting higher and higher. Now mobile phones have generally become a living habit of adults and children. For primary and secondary school students, the impact is more important. Playing with mobile phones for a long time is very important. It may affect eyesight, and even more seriously, waste your studies.
Since the establishment of our company, we have been focusing on the research and development of full-band shielding instruments and continuously improving the quality. Its products have been trusted by examination rooms, schools, prisons and other units. The shielding device only shields the mobile phone signal, so it will not affect other electronic devices! Now many primary and middle school students, one mobile phone per person, some addicted to games, some addicted to novels, etc., are more dangerous for school exams, Baidu has all the The answer, if everyone in the test plagiarizes with a mobile phone, it will violate the purpose and meaning of the test, and it is also unfair to those candidates who study hard!
In the face of the full-band shielding instrument, we have to look at it rationally and scientifically. The working principle of the shielding device is to send out a specific signal to shield or interfere with the signal between the mobile phone and the base station, so that the mobile phone has no signal or cannot find network services. The original message was recognized.