Loud sounds are also common on smartphones such as trains, libraries, subways, and concerts. It can make people around you feel uncomfortable. Today, many people value their privacy. When you operate GPS, it may track your whereabouts. We attach great importance to the confidentiality of information, especially in prisons, police and military sites. We will introduce an organization that can disable mobile phones. Use gps jammer devices to prevent these phenomena. But how to choose a gps jammer?
The working principle is the same. You cannot connect the mobile phone and the base station normally by blocking the radio waves from the base station. Disable calling. The application location is also the same. Usually used in public places, such as movie theaters, government agencies, concerts and libraries. It provides a peaceful environment. This is an effective measure to prevent annoying signals. Both can block different radio waves. It can suppress GPS, WIFI, 3G, 4G, GSM and other signals. Next, I will explain the difference. The range of blockade is different. Portable GPS jammer