At 9:00 a.m. on May 9, the Radio Management Department of Yueyang Municipal Commission of Economy and Information Technology received a complaint from Yueyang Mobile Company that the 2G, 3G, and 4G full frequency bands of 3 to 4 base stations in Lengshuipu area of Yueyang City were interfered by unknown signals. This has resulted in poor mobile phone communication and a sharp increase in the call drop rate in the area. It is requested that the interference be promptly investigated and dealt with to ensure communication order. The Yueyang Radio Monitoring Station immediately started the emergency procedures for investigating and dealing with radio interference, organized technical personnel, brought portable lateral equipment, deployed vehicles, and went to the Lengshuipu area with the mobile company personnel. Immediately after arriving at the scene, the direction finding equipment was started, and the test was performed on the top of the fifth floor of a residential area. It was found that the background noise of the communication base station was raised by 50dBμV in all frequency bands, and there was an obvious large-area interference signal, and the interference was directed to the southeast of the test point. Go downstairs and drive to the southeast, and choose to test again on a certain roof. Cisco Cell Phone Jammer The level of the interference signal drops significantly, and the direction points to the northwest... After direction finding in four directions and real-time level data analysis, the technicians at 11 am At 20:00, the source of interference was found on the tree next to the small parking apron in the office yard of the former traffic police brigade in Lengshuipu. It turned out that a bank illegally set up and used three full-band GPS signal jammers in order to protect the auto assets seized due to economic disputes. cell phone jammer Ways to improve student efficiency to strengthen school management.
GPS signals are widely used in mobile communications to provide clock reference information for systems, base stations, and terminals in public communication networks. When GPS signals are interfered, the entire network system will be seriously out of sync, making various control signals disordered, resulting in communication malfunction or crash. The radio management law enforcement officers of the Municipal Commission of Economy and Information Technology immediately notified the relevant person in charge of the bank, and publicized the "Regulations of the People's Republic of China on Radio Management" on the spot, pointing out that the bank's actions were illegal and harmful. And ordered it to immediately shut down all Cisco Cell Phone Jammer , remove related equipment, and wait for the Municipal Economic and Information Commission Radio Management Department to deal with it according to law. So far, the interference has been eliminated, and the communication order has returned to normal. The interference investigation took less than three hours from receiving the complaint to finding the interference, eliminating the interference, and restoring the communication order. Unanimously praised.
