- ID tags for use in high temperatures up to 200 °C - Large write/read distances up to 80 mm - Flush installation of the ID tags in metal - Easy, universal fixing - For mounting on pallets and workpiece carriers ID tags are the information carriers of the RF identification system. They consist of a robust, easy-to-mount housing with integrated transponder. The tags are used for coding of workpiece carriers in guided material handling systems. ifm offers different types of ID tags for various applications. The range includes cylindrical, metric and special designs.