MIFARE Ultralight Cards operate according to the ISO 14443A standard. It's key features are:

• 100% compatible with existing MIFARE infrastructure
• Real anti-collision supported
• Operating distance up to 10 cm
• 106 kbits/s data transfer rate
• Unique 7 byte serial number (ISO 14443A, cascade level 2)
• High data integrity – 16 bit CRC, parity per byte, bit coding, bit count check
• 512 bit EEPROM, organized in 16 pages of 4 bytes
• 32 bit one-time programmable (OTP) area
• 384 bit read / write area for user data
• Field programmable ‘Read only’ locking function per page
• DESFire SAM based security methods supported