AUTOID UM3 UHF RFID Sled 1D/2D Barcode Scanner Release Energy of Smart Terminal As a high-performance UHF RFID reader, AUTOID UM3 combines excellent volume reading, 1D/2D bar code capture and long battery life. With an intelligent hardware platform, it offers customers an efficient and comfortable experience with convenient operation mode. . POWERFUL RFID VOLUME READING FOR FAST INVENTORY ONE TOUCH TO BE PAIRED NFC rapid match without unnecessary manual operation. Supports QR code scanning and Bluetooth connection.