Narrow rectangular PVC RFID key fob also available with color printing and transparent resin NFC Desfire ® 4K Ev1-Ev2-Ev3 chip D41 D42 D43 RFID read and write HF 13,56 MHz ISO 14443A.
MIFARE DESFire EV1 is based on open global standards for both air interface and
cryptographic methods. It is compliant to all 4 levels of ISO/IEC 14443A and uses
optional ISO/IEC 7816-4 commands. Featuring an on-chip backup management system and
the mutual three-pass authentication, a MIFARE DESFire EV1 card can hold up to 28
different applications and 32 files per application. The size of each file is defined
at the moment of its creation, making MIFARE DESFire EV1 a truly flexible and
convenient product