Our Mifare DESFire 2K NXP EV1 cards are top-quality contactless cards. These cards use an NXP EV1 chip with a 2K byte EEPROM memory capacity, allowing them to support multiple applications with ease. Operating at a frequency of 13.56 MHz, data processing is both fast and efficient, with speeds of up to 848 Kbits/s. These cards are also compliant with all four levels of ISO / IEC 14443 A.Product Features:Contactless cards with NXP EV1 chip2K byte EEPROM memory capacityFast and efficient data processing at 13.56 MHz frequencyCompliant with all 4 levels of ISO / IEC 14443 ASold in packs of 100