and active interval control for automated vehicles. Highlights > Low-cost obstacle detection and interval control - for inexpensive safety > Echo operation - for detecting obstacles up to 4,000 mm > Transponder mode - for active interval control up to 10 m between vehicles - on bends too > Protection of impact bumpers - for cutting maintenance costs > RS 232 serial interface - for rapid changes to settings during operations > Pre - alarm and emergency stop ranges - for gentle stopping