The Genuine MIFARE Classic 1K EV1 cards are a top-selling option for access control. Operating at a frequency of 13.56 MHz, these cards feature a 4-byte NUID and 1K byte of memory. These blank white cards are customizable with any retransfer ID card printer, allowing for easy branding and logo additions. MIFARE Classic 1K EV1 cards are ISO/IEC 14443 type A compliant and are commonly used for public transport ticketing and access control.Bullet points:Genuine MIFARE Classic 1K EV1 cards with 13.56 MHz frequency and a 4-byte NUIDCustomizable blank white cards for easy branding and logo additionsIdeal for public transport ticketing and access control