An RFID tag that does not have its own power source. Contrast with active RFID tag. See RFID and RFID tag.
"passive RFID tag." YourDictionary, n.d. Web. 20 May 2018. <http://www.yourdictionary.com/passive-rfid-tag>.
passive RFID tag. (n.d.). Retrieved May 20th, 2018, from http://www.yourdictionary.com/passive-rfid-tag