NFC MF Desfire EV1 4K Smart Chip White Blank Card,5pcs | MF Desfire EV1 4K Chip Smart White Blank Card,Supports ISO/IEC 14443A Device,for Access and Hotel Keycards

Technical parametersWorking frequency : 13.56MHzProtocol standard : ISO/IEC14443AStorage capacity : 4KbyteReading and writing distance : 3~5cmErase life : 500000 timesData retention time : 10 yearsUID: 7 bytesData transmission rate: 424 kbit/sMaterial: PVC

• MIFARE DESFire EV1 (MF3IC D41) is the latest product from Desfire series, perfect for combining multiple applications on a single card, including but not limited to transportation, leisure, access control, and loyalty systems.
• The Mifare Fire EV1 4K chip has a unique 7-byte identifier (UID), operates at 13.56MHz, and can accommodate up to 28 different applications, each with 32 files.
• The size and access permissions of each file are specified at the time of creation, which allows for flexible use of Design EV1 according to your needs.
• Mifare Fire EV 1 has a built-in backup management system and authentication protocol to protect and protect data. The Mifare Desire EV1 is fully compatible with existing Mifare reader hardware platforms, simplifying the transition from Classic to Desire.
• Can be used in various scenarios such as shops, restaurants, banks, access control, attendance, entry and exit, etc