"radio frequency identification." YourDictionary, n.d. Web. 10 June 2018. <http://www.yourdictionary.com/radio-frequency-identification>.
radio frequency identification. (n.d.). Retrieved June 10th, 2018, from http://www.yourdictionary.com/radio-frequency-identification
(uncountable) (abbreviated as: RFID)
The storage and retrieval of data using tags attached to individual packages, animals or people; the tags contain an integrated circuit to store and process the data, and an antenna to transmit and receive such data
English Wiktionary. Available under CC-BY-SA license.