The Genuine MIFARE Classic 4K EV1 cards are a popular choice for contactless access control and security. These high-quality cards operate at a frequency of 13.56 MHz and feature a genuine NXP EV1 chip with 4K bytes of memory and a 4-byte NUID. They are ISO/IEC 14443 type A compliant and are commonly used for public transport ticketing and access control. As a MIFARE registered partner, you can buy with confidence.Genuine MIFARE Classic 4K EV1 cards with 4K bytes of memory and a 4-byte NUIDIdeal for contactless access control and securityISO/IEC 14443 type A compliant and commonly used for public transport ticketing and access control