Intelligent Perimeter Systems of Dublin, Ohio, has introduced two new antiterrorist products that integrate physical and electronic technologies. The Intelli-Gate Automatic Entry System integrates vehicle barriers, gates, identification sensors, and card readers into a single user-friendly solution that controls personnel, vehicle, and visitor access at any location. The Intelli-Barrier Automatic Vehicle Intrusion System integrates vehicle barriers with various state-of-the-art threat detection sensors, including CCTV, laser-curtain intrusion detection, wide-area lighting, and annunciators. Next generation sensors for detection of explosives, chemical and biological weapons, and radiation, are currently in development.