Many classrooms are equipped with cameras. There is a box with a width of 30 cm and a height of about 50 cm. In addition, the word "Cell Phone Video Camera Jammer" is also written. The testing laboratory installs mobile phone jammers in the examination room during the unified examinations such as postgraduate examinations and CET examinations, and builds standardized laboratories. With the completion of the test center, the test center will prevent fraud through full-time signal detection, tracking and restriction. cell phone jammer Just to allow students to learn better.
Midsummer June is about to usher in the high school entrance examination and the college entrance examination. In order to ensure the quality of the examination, many schools have already begun preparations for the examination room early. In the process of preparing for the examination room, there is a very important thing, that is to install Cell Phone Video Camera Jammer . However, not everyone can install cell phone signal jammers. So,