NXP MIFARE Classic® 4K

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Interface

  • Frequency: 13.56 MHz
  • Protocol: ISO/IEC 14443 Type A
  • Range: Up to 10 cm
  • Data Transfer Rate: Up to 106 kbps

EEPROM (Memory)

  • Memory Capacity: 4 kilobytes (4096 bytes)
  • Sectors: 40 sectors
  • Blocks: Each sector contains 16 blocks of 16 bytes
  • Each block can be individually programmed for data storage

Security

  • Basic security features
  • Security Algorithm: CRYPTO1

Applications

  • Access Control Systems
  • Public Transportation Fare Collection
  • Ticketing Systems
  • Loyalty Programs
  • Identification Cards

UID (Unique Identifier)

  • UID Size: 4 bytes

Please note that the UID (Unique Identifier) is not stored in the EEPROM but is programmed into the card’s chip during manufacturing.

Note

It’s important to be aware that the MIFARE Classic® series, including the MIFARE Classic® 4K, has faced security vulnerabilities and should be used with caution in applications that require high-security levels. Consideration should be given to utilizing more advanced and secure technologies, such as MIFARE Plus® or MIFARE DESFire®, for enhanced security requirements.