To Russian Federation tested system of detection of dronov-spies and mass congestions of people. On a sound!

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High-precision microphones together with clever system analyses also can distinguish emergency situations and offenses JOINT-STOCK COMPANY "ROSELEKTRONIKA" declared at exhibition "Interpolitekh-2021" a successful conclusion of tests of the module of acoustic investigation "Attack Rustle". The system confirmed the declared technical characteristics, having shown ability to determine by a sound UAVs in the air, flying in a radio silence mode. Such small-sized thrones can be used for espionage by unauthorized penetration into civil and special objects. At the heart of the Attack Rustle module...
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