MIFARE DESFire EV1 2K(D21) Card

MIFARE DESFire EV1 2K (D21) Card

DESFire EV1 2k NVM ISO14443-4
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Price: $1.69 (20% off)
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MIFARE DESFire EV1 2K(D21) card

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.

Operating Distance

Up to 10cm

Operating frequency

13.56 MHz

 

Fast Data Transfer

106 kbit/s

212 kbit/s

424 kbit/s

High Data Integrity

16 Bit CRC

Parity

Bit coding

Bit counting

 NVM

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

Communication Protocol

Contactless 14443-4 Type A

 

Others

True deterministic anticollision

7 byte unique identifier

Flexible file system

Mutual three pass authentication

 

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