Cell phone signal jammers are created to reasonably avoid and interfere with cell phone related signals, such as GPS, WiFi, 2G, 3G, 4G or 5G. Mainly used in school examination rooms, prisons, detention centers, etc., it can effectively ensure the fairness and justice of examinations, and some are used in families to prevent children from being overly addicted to the world of mobile phones. So how to choose Make Your Own Wifi Cell Phone Blocker ? Come see us next time! Conduct research on product quality, technical means, and brand; through network search, get a preliminary understanding of communication with technical personnel, and listen to technical explanations; choose a few best ones, go to the field to test and demonstrate the shielding effect; after the product demonstration, you can view the product Application, operating status and actual effect in other similar projects; it is best to bring the mobile phone into the cell phone jammer shielded area during inspection to verify the shielding effect.
The areas that should be shielded are not strictly shielded, which costs money and effort, and has no practical effect; the areas that should not be shielded have serious interference and have been complained that they cannot be used normally; too much faith in detection and pseudo base station technology, there is a gap between ideal and reality, and there is no real reality in China. success. Cases are available; we are now in an age where most students in middle school and above have cell phones. This is a handy tool. However, this may cause trouble for others. ..I was asked to be polite, but I wasn't very thorough. Make Your Own Wifi Cell Phone Blocker can effectively solve this problem. The installation is to ensure the shielding effect. A widely used mobile phone signal jammer. Ideal for offices and shops. Use in theaters, hospitals, military areas, and places where the use of mobile phones is prohibited.