The GPS jammer itself is usually a small, independent frequency transmitter that can send jamming signals within a certain range of ten meters within the top five. These devices are usually plugged into a cigarette lighter or USB/charging port and require almost no power supply. Although GPS jammers are illegal in most places, they can be purchased online and appear in many forms, such as: B. Wi-Fi jammers, Bluetooth jammers, remote control jammers or drone jammers. GPS jammers may cause minor interference, such as signal loss, but they may also pose a major risk to public safety. For example, GPS Jammers cannot distinguish communication types, nor can they prevent incoming or outgoing calls from emergency responders. In addition, these devices can do a lot more than just block calls and interrupt all communications over a wide frequency range.
Advanced technology has brought convenience to mankind. Since the transmission power of the base station used for mobile communication is very large, the closer to the base station, the worse the shielding effect. In foreign countries, mobile phone signal jammers are not new. In the past two years, it has been listed on the Chinese market. GPS jammers were installed in some parts of the classroom to prevent cheating. However, for more citizens, the misuse of such devices may harm their freedom of communication. Many employees complained after using jammers. The effect will be obvious. Sales this month increased by 10%. The use of jammers can improve performance. GPS jammers are a popular product of the company. The most expensive is $3,000 or $4,000. The signal blocking range is different. There are many companies buying small jammers. It is placed in the meeting room.