Parallax 125KHz RFID Tag - 50mm Disc

The Parallax 125KHz RFID Tag - 50mm Disc is designed to work with the Parallax RFID Card Reader (Serial) (#28140) and Parallax RFID Card Reader (USB) (#28340) and is considered passive tag. This tag has a unique 10 digit ID, so multiple tags can be used in a single project and may be purchased in any quantity.