In the face of advanced American drones, Russia has developed its latest military jammers

According to the report, the jamming equipment was developed by the Russian military and is sophisticated enough to affect even navigation equipment with anti-jam technology and good enough to affect encrypted communications, though encryption only makes it hard to get into the drone’s control systems or sensor output. The Department of Defense declined to comment on whether any drones had crashed as a result of the cell phone jammer.

Jamming cell phone signals during class will undoubtedly bring good effect to teachers, students and classroom order. However, the school should make public the screening period, so that teachers and students can give a warning to friends and relatives in advance, so as to avoid other adverse consequences due to lack of contact in the event of emergency. Schools may also consider other ways of providing emergency access to teachers and students during the screening period for emergencies.

Given the drone’s sudden spiraling descent in the released video, it’s likeliest that the system featured is a radio-frequency signal jammer. It is also likely, given the system’s employment on the side of the Russian-backed separatists, that the system is another Russian-made electronic warfare weapon, fielded on the front lines of a proxy war as much for battlefield impact as it is for research and test purposes.

Why can the wireless signal jammer interfere with the normal use of the phone? Mobile phones work by receiving and transmitting radio waves. The frequency of the phone is about 1.8GHz. To interfere with cell phone signals, you must have a device that emits the same frequency of radio waves. Cell phone signal jammer is such a device, it will block the mobile phone signal within the scope, the degree of light will seriously affect the call and the quality of the Internet. Generally within a radius of 25 meters, the phone will be strongly disturbed by the jammer. The effective range of 25 meters will also be affected less. The scope of the jammer will also change due to the specific performance and power of each jammer.

The Russian military is buying jamming devices and plans to install them on cell phone towers. The idea is simple: the kremlin can start these jammers during the conflict and pray that the jammers will reduce the precision of the onslaught of American missiles.

According to the professional, the mobile phone mask is at a certain speed to the low end of the channel to the high end of the scan. The speed of the scan can be used to generate random interference in the receiver’s signal, so the phone cannot detect the normal data from the base station, and it cannot establish a connection with the base station.

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