The HID FlexSmart DESFire Custom Keypad Reader offers the ultimate choice in interoperability and programmability.  The reader provides unique capabilities, such as reading any DESFire application data file or CSN (card serial number) to meet all your installation requirements.  With the ability to read any DESFire application file, this reader can be configured to read any third-party formatted cards or to develop a custom format for a new application.  Designed for a wide variety of applications from entry level access control to secure ID management, the reader is completely configurable for every access control application challenge.