BIOROLES is one of the leading Door Frame Metal Detectors Manufacturers in Delhi, india and leading Suppliers of Walk through Metal Detectors in Delhi, Mumbai, Bengaluru, Gurgaon, Chennai, Pune, Jaipur, Hyderabad HOW Door Frame Metal Detectors WORKS Door Frame Metal Detector is divided into multiple zones. Each zone represents a specific area of the body, typically from head to toe.  Each zone consists of both transmitter and receiver…