The PRES-VM anti-drone device combines passive detection and radio jamming MOSCOW, March 24. /TASS/. Rosel, an arm of Russia’s Rostec State Corporation, has unveiled the PRES-VM - an anti-drone device that protects civilian vehicles operating in potentially hazardous areas, the state tech corporation’s press service reported. "Rosel Holding, a subsidiary of Rostec State Corporation, has developed the PRES-VM anti-drone device, which combines passive detection and radio jamming. It is designed