Crossword clues for the word: RFID The word RFID has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for RFID Showing 1 to 7 of 7 results Clue(s) Chip in credit cards Chip in passports Chip in some security tags briefly Passport chip Tech that enables contactless credit card payments Technology used by most toll-tag systems; Tracking chip