S50 Hotel Lock MF Cards are high-security contactless smart cards used in hotel locking systems. Operating at 13.56 MHz and based on MIFARE technology, each card has 1KB of memory, allowing secure data storage and encryption. These cards are programmed to grant time-bound access to specific hotel rooms, improving guest security and hotel management efficiency. Durable and reusable, S50 cards support multiple read/write cycles and are compatible with most MIFARE-based hotel lock systems, including the Bioteknix HL-100. Ideal for hotels seeking a reliable, scalable, and contactless access control solution.