drone freezing technology

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A new device that can detect, target and deter commercial drones could be used to keep the flying robots away from areas where they're not wanted, like government properties, airports or your own backyard.
The new Anti-UAV Defense System (AUDS) was developed by three tech companies in the United Kingdom. It has a radar detection component, advanced tracking capabilities and a sneaky little onboard device that keeps drones at bay.
Rather than melting drones in midair like Boeing's new Compact Laser Weapons System, AUDS shoots the flying vehicles with something that doesn't destroy them — radio waves. Drone operators typically communicate with, and direct, the aerial bots using radio signals.
Enter AUDS, which uses a drone's communication system against it. Using directional antennas pointed at the drone, AUDS sends the unmanned aerial vehicle (UAV) radio signals that interfere with the radio signals coming from the remote operator. When the drone picks up AUDS' signals, it "freezes," unsure of where to fly.
Whoever is controlling the anti-drone system can keep the UAV hovering at a distance until the machine runs out of battery life and crashes to the ground, according to a report by the BBC.
AUDS can spot a drone from about 5 miles (8 kilometers) away. After zeroing in on its target, it uses video and thermal imaging software to keep the flying vehicle in its sight. Once the drone gets close enough to the anti-drone system, it's "game over" for the drone

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