Radio Frequency Identification Technology ...

DHS | Department of Homeland Security

... "What is Radio Frequency Identification Technology? Radio frequency (RFID) identification technology refers to wireless systems that allow a device to read information contained in a wireless device or tag from a distance without making any physical contact or requiring a line of sight between the two. It provides a method to transmit and receive data from one point to another. RFID technology has been commercially available in one form or another since the 1970s. It is now part of our daily lives and can be found in car keys, highway toll tags and security access cards, as well as in environments where bar code labeling, which requires physical contact or a line of sight, is impractical or less effective. RFID has established itself in a wide range of markets including automated vehicle identification systems because of its ability to track moving objects." ...