Operating frequency - 13.56 MHz for fast, near-field communication Memory and security - Storage: 1K byte - 16 districts, each district protected by its own password - Chip: MF1S50 for reliable compatibility and performance Reading distance - Read range: 8-10 cm for convenient, contactless interaction Why this card helps - Secure local data storage with per-district access control to prevent unauthorized use - Simple integration with 13.56 MHz reader systems and MF1S50-based devices - Clear, quick reads at close range without physical contact Practical applications - Employee access control or door entry systems with district-level password protection - Asset tagging and inventory management for easy check-in/out and tracking - Membership verification or event admissions where quick, contactless validation is desired