Find out the working principle of RFID and learn more about the technical specifications of RFID embedded access control system. Find out variety of access control products produced by http://www.globalkeyaccess.com/access_controller/. Global Keyaccess has wide range of access control management for parking revenue and ticket parking and card parking revenue are their main products.Long range RFID reader is a refined form of traditional access control wherein the wireless sensors can capture the data from the tag even when the vehicle is more than 25 feet away.