20 Pack Rewritable UID Smart Cards 13.56MHz RFID PVC Blank Cards For Door Access Control 1K S50 MF1 Mifare Block 0 Sector Read Write Copy Over 100000 Rewrites With Unique Encrypted ID

Twenty-Pack Rewritable UID Cards for 13.56MHz Door Access
✔️ 13.56MHz cards, 100k rewrites, unique encrypted IDs

This 20-card set provides rewritable UID cards at 13.56MHz, PVC blanks ready for door access control systems. They work with 13.56MHz readers and are compatible with MiFare Classic 1K memory, organized in 16 sectors of 4 blocks, and conform to ISO/IEC 14443A protocol, making them ideal for apartments, offices, parks, and other entry points where you need to update access rights quickly.

✅ 13.56MHz compatibility with MiFare Classic 1K and 16 sectors of 4 blocks
✅ Read/write capability up to 100000 times
✅ Each card carries a unique encrypted UID
✅ PVC construction is waterproof and durable for daily use
✅ complies with ISO/IEC 14443A for broad reader compatibility

💡 What is a rewritable UID card used for in access control systems? Handy device for managing entry rights without issuing new cards. - Handy for quick changes in access rights - Works with 0-10 cm read range on 13.56MHz readers - Supports 100000+ rewrite cycles with a unique encrypted ID - Ideal for apartments, offices, campuses, and parks