As the war between Ukraine and Russia continues, the technological confrontation on the battlefield has gradually become the key to victory or defeat. The Ukrainian army has quickly achieved remarkable results with low-cost and high-efficiency drone technology. In particular, drone ground attacks have become an important means for Ukraine to deal with the Russian army.cell phone jammer Against this background, although Russia has invested a lot of resources in the development of advanced anti-drone jamming equipment, the performance of these devices in actual combat is far below expectations, and even exacerbated the losses of the Russian army.GPS jammer

　　According to the blogger's revelation, a multi-frequency jammer priced at $2,400, due to design defects and improper use, not only failed to effectively block drones, but also misled Russian soldiers, making them mistakenly believe that they were protected. signal jammer This device has structural and There are major functional problems, including the orientation of the antenna and design flaws in the cooling system, which cause the jammer to quickly overheat or even melt when working. In this case, the equipment not only fails to protect the soldiers, but becomes a "deadly trap" on the battlefield.Wifi jammer

Russia's ineffective jamming technology

　　The core problem of these devices is the unreasonable antenna design. drone jammer In theory, the jammer should interfere with the signal connection between the drone and the operator by emitting radio noise. However, the blogger pointed out that many antennas used to interfere with low-altitude attack drones (such as FPV drones) point in the wrong direction, upwards instead of to the side, and FPV drones usually attack from the side. GSM jammer With this setting, the military drone jammer can only work if the enemy drone happens to fly directly over the jammer, which is a situation that has not been solved in practice. It is almost impossible to happen on the battlefield.

　　In addition, the fixed antenna design of this UAV jammer makes the device lack flexibility in application. The designer does not seem to have taken into account the diversity of drones and the complexity of their attack methods. Fixed antennas are only suitable for one specific scenario, rather than adapting to the changing battlefield environment.

Overheating and failure of the jammer cooling system

　　Another fatal design flaw is the failure of the cooling system. The drone signal jammer generates a lot of heat when working, and usually requires a special cooling system to maintain the stable operation of the equipment. However, the cooling system of this jammer relies only on a simple fan and is not equipped with an effective ventilation design. The fan can only circulate hot air in a closed plastic casing, causing the device to overheat quickly and melt. Under extreme high temperatures, the various parts of the jammer Parts began to degrade, and the equipment completely lost its function and became "scrap metal" on the battlefield.

The success of Ukrainian drones and the failure of the Russian army

　　Compared with Russia, the Ukrainian army successfully destroyed a large number of Russian vehicles with low-cost and high-efficiency drones as weapons. In one battle, Ukraine launched more than 70 attacks using only $500 drones, greatly weakening the Russian army's defense. Russia, although investing a lot of resources in the development of jammers, suffered more casualties due to equipment quality problems.

　　A Ukrainian drone operator even laughed at the "defective" jammers, saying that it was "very funny" when the drone flew over these devices. The Russian army had high hopes for these devices, but in fact, they became a symbol of the Russian army's self-misleading and failure.