MIFARE DESFire EV1 2K(D21) card operates at 13.56 MHz wireless frequency, according to the ISO 14443A standard with the transport protocol complying to the ISO 14443-4 standard. It features a 2K byte NVM, a high speed triple-DES data encryption co-processor, a flexible memory organization structure, a mutual 3-pass authentication technique together with a true random number generator and an anti-tear mechanism to guarantee data integrity during contactless transactions. These MIFARE DESFire EV1 cards typically operate at a distance of up to 10cm depending on the power provided by the reader.
MIFARE DESFire EV1 2K(D21) card is primarily designed for secure contactless transport applications and related loyalty programs.
Up to 10cm
Fast Data Transfer
High Data Integrity
16 Bit CRC
2K byte Non-volatile Memory
NV-Memory write time 2 ms (1 ms erase, 1 ms program)
Data retention of 10 years
Write endurance 100 000 cycles
Contactless 14443-4 Type A
True deterministic anticollision
7 byte unique identifier
Flexible file system
Mutual three pass authentication