The HID R10 6100 iCLASS Card Reader is designed to be intuitive and works seamlessly with all major plastic cards that meet ISO 14443A, 14443B, and 15693 interoperability standards. Key features include:64-bit security keys for added protectionReading range of 25mm to 75mmCompact dimensions of 48x103x20mm (Width. Height, Depth)Manufacturer part number: 900NTNNEK00000