MDI nTEGRITY SMART (Mifare?) Keypad and LCD Display Reader, 13.56 MHz ISO 14443 compatible Mifare? smart card readers with built in 16 key numeric keypad backlit keypad and LCD display which allows you to read Mifare? smart cards and enter PIN numbers for higher security level of access control applications and to enter codes into the system for Time and Attendance applications. The unit provides a read range of up to 4 inches with read/write capability, reads encrypted card number