Mobile phones are very dangerous for school exams

Since the advent of cell phone jammer, laptops, examination rooms, schools, prisons and other departments have trusted it. In fact, mobile phone signal jammers are nothing new abroad. In recent years, they have begun to be sold on the domestic market! The jammer only interferes with the cell phone signal, so it will not affect the cell phone base station and other electronic devices. Nowadays, many elementary and middle school students each own a mobile phone, some are addicted to games, some are addicted to novels, etc. It is even more dangerous for school exams. Baidu has all the answers. If all the people taking the exam steal their mobile phones, it will violate the exam content.

Of course, in order to meet the needs of different people today, there are various styles of signal jammer devices, which are designed with different interference frequency bands and have functions that are sold in the market. You can also find that there are also many shops that provide this type of Signal blocking device. Advanced high-tech mobile phone jammer, here you can get a real example with advanced design, the example name here is "Portable Bluetooth GPS mobile phone jammer", you can simply get the overall information of the device through this example. Signal blocking device.