10Pcs S50 Chip Leather Card Access Cotrol 13.56MHz IC Key Fob Keychain Token Key for M1 1K, UID Sector 0 Block 0 unchangeable(10Pcs Set 3)

Welcome to my store, we will provide you with high-quality products and high-quality services, if you have any questions about the products, you can contact us, we will Size: you within 24 hours!10Pcs S50 Leather Card for Access Control, UID Sector 0 Block 0 unchangeable Description: Works exactly like the MF1K, with 16 Sectors and 4 Blocks each Sector, but the Sector 0 Block Zero cannot change. Application: Access control, hotel locks, staff attendance, school campus access, membership management, payment control, identification and security systems, parking lot entry, social security management, transportation, municipal and ancillary service. Funtion: All block sector writable except UID Sector 0 Block Zero .Each block is rewritable and useful Packing: 10pcs S50 leather cardsNotice:Due to different monitors, there may be some color difference, which is normal.s

• Small enough to fit on a key ring
• Provides an external number for easy identification and control Can be placed on a key ring for convenient entry
• Supports formats up to 85 bits, with over 137 billion codesRFID/HID/T5577/CET5577/EM4100/TK4001/EM4001/TK4100/ISO11784/11785/ISO FDX-B /Manchester/FSK/PSK/NRZ etc.
• Long-lasting durability in construction for sustained performance
• Compact and easy to carry and use,Rewritable functionality: Can be written countless times