Here you can find your own blocker

In 2013, the Federal Communications Commission fined a person nearly $32000 for using a device designed to evade the company's vehicle fleet management tracking system. Mobile phone jammers include GSM jammers, 3G jammers, 4G jammers and the latest 5G jammers, which can easily interfere with all mobile phone signals. GPS jammers can prevent GPS tracking devices from receiving signals, otherwise they will not be able to determine their position. We all see that the excessive use of mobile phones has become increasingly excessive Although GPS jammers are illegal in the United States, they are easily available online and are becoming more and more common as the use of fleet management and tracking systems increases. The excessive use of mobile phones is beyond our imagination. With the development of technology, more and more people use mobile phones in their lives. They transmit their signals at the frequency used by the GPS tracking device, which can confuse or block other GPS sign

When the cell phone battery starts, enough energy will be generated once the bell rings, generating a slight spark and causing a fire. Some students often use mobile phones to surf the Internet in bed, and some even use mobile phones to surf the Internet. Internet access at midnight. The function scope of the gsm signal jammer is limited to the classroom and dormitory. When the GPS shield is installed on the vehicle and opened, it will cut off the signal of the tracker hidden in the vehicle, making it impossible for others to locate the vehicle and find its specific location. Earlier, when simulating the scene of radio cheating in the American college examination, the technicians of the joint security team sent mobile radio monitoring vehicles to monitor the examination room and its surroundings, see and locate the interference source of the cheater, and monitor suspicious signals. In a gas station, the driver used his mobile phone while refueling, which caused an explosion and cause