A mobile phone jammer is a device that transmits signals at the same frequency. When the jammer is turned on and the cell phone signal area is turned off, the jamming part succeeds. The first jammer was developed by the military for communication purposes. The intended commander uses RF communications to control the communications between his troops and the enemy. Nowadays, there are more and more mobile users, so it is becoming more and more common to compare drone alarm jammers with electronic devices to turn off mobile signals in certain places. A mobile jammer is an instrument used to protect mobile phones from receiving signals. The mobile jammer device sends a signal of the same frequency to the GSM modem. If the mobile jamming transmitter is turned on, after turning off the mobile phone signal at a certain location, the gps jammer can be considered successful.
Signal jammers can interfere with the signals of mobile phones such as conference rooms and test rooms. In order to avoid the influence of mobile phone communication in meetings and tests, and to prevent information leakage and test fraud, wireless signal jammers have become a popular tool. The existing signal shielding devices are mainly manual interference switches. The program cannot be set automatically. High work intensity. It is not convenient to use. The shielding device has no monitoring device. We cannot fix it in time. Overheating of the jammer can damage the circuit.
Although GPS trackers have powerful functions, GPS trackers are mainly used to track and locate installed personnel. Criminals also use equipment that we can use. For some human crimes, it may threaten people’s lives and property. All things in the world based on the laws of nature led people to invent car GPS jammers specifically for GPS trackers. In many countries/regions, these devices are not licensed for private use because of concerns that criminal gangs will affect police tracking signals.