Ukraine destroys Russian Pole-21 GPS jammer

　　During the conflict in southern Ukraine, Russian forces deployed the advanced Pole-21 GPS jammer, designed to disrupt GPS signals and defend against drones and precision-guided weapons.cell phone jammer However, the Ukrainian army successfully destroyed this powerful electronic warfare equipment using a GPS-guided bomb, highlighting the complexity and vulnerability of electronic warfare in modern warfare.

　　Design and function of the Pole-21 system

　　The Pole-21 system is a radio jammer system developed by Russia that relies mainly on powerful radio signal transmitters and antenna arrays to interfere with GPS signals. GPS jammer Its function is to disrupt the navigation functions of drones, cruise missiles and precision-guided bombs, all of which rely on GPS systems for guidance. signal jammerPole-21 has an effective jamming range of approximately 15 miles, which is enough to cover important military targets or strategic infrastructure.

　　The U.S. Army's assessment of the system noted that Pole-21 is designed to protect important strategic assets and infrastructure, especially in areas of intense war. The Pole-21 system was deployed in Zaporizhia Oblast in southern Ukraine, which was the core area of ​​Ukraine's counterattack four months ago. Russia obviously hopes to use this system to defend Ukraine from using precision-guided weapons provided by the West.GSM jammer

　　The importance and risks of electronic warfare

　　Electronic warfare occupies an important position in Russia's military strategy, especially radio interference. By interfering with drones and ammunition of NATO countries, Russia is trying to weaken the technological advantage of its opponents. As early as 2017, a report from the Estonian Ministry of Defense pointed out that Russia is constantly upgrading its electronic warfare capabilities, and these upgrades have been specifically demonstrated in the Russian-Ukrainian conflict.

　　However, electronic warfare equipment is not perfect. Although the Pole-21 system can effectively interfere with GPS signals, all equipment within its interference range, including Russia's own equipment, may be affected. The US Army warned that a major problem with the system is that it cannot distinguish between enemy and friendly signals, and will interfere with its own communications and navigation equipment when operated improperly.

　　This makes the operation of Pole-21 complicated and risky. Operators must carefully choose the time to turn on the system to avoid interfering with their own military's navigation and communication systems. It is this double-edged nature that sometimes forces the system to shut down.

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