Our contactless Mifare DESFire 4K NXP EV2 cards are equipped with a genuine NXP EV2 chip that has a 4K byte EEPROM memory capacity, enabling multiple applications to be stored on the card. These cards operate at 13.56 MHz frequency, with data processing at a rate of up to 848 Kbits/s, ensuring efficient and speedy performance.Available in packs of 1004K byte EEPROM memoryCompliant with all levels of ISO/IEC 14443 A