MIFARE™ Classic 4K

MIFARE Classic 4K opens up many new service opportunities by enabling public transport authorities to implement multi-modal systems. It might be used for a combination of contactless e-commerce and e-business applications on one single MIFARE smart card.

From May 2010 onwards, a MIFARE Classic 4K variant is also available with a 7 Byte UID. For future outlook regarding the 4 Byte UIDs see 4-7Byte UID.

Key applications

• Public transportation
• Access management
• e-Commerce
• e-Business
• Gaming
• Identity

Key features

• 4 Kbyte EEPROM (3480 Byte free available)
• Unique serial number (4 Byte and 7 Byte)
• 40 securely separated sectors supporting multi-application:
• 32 sectors consist of 4 blocks with a length of 16 Byte
  • 8 sectors consist of 16 blocks with a length of 16 Byte
  • 2 x 48 bit keys per sector for key hierarchy
• Access conditions free configurable based on 2 keys
• Number of single write operations: 100.000
• Data retention: 10 years