Introducing the Printronix Upgrade Kit, RFID (UHF) for T4000 (with tear bar). This upgrade kit, weighing 0.99kg, is designed to enhance the performance of your T4000 printer with RFID capabilities. Manufactured by Printronix, the original part number is 98-0720075-00LF. Upgrade your printing capabilities with this high-quality RFID upgrade kit.