The MIFARE Classic 1K RED S50 Key Fobs (100 Pack) are a proven, industry-standard credential solution designed for secure, scalable access control and identification systems. Operating on 13.56 MHz RFID technology (ISO/IEC 14443 Type A), these fobs deliver fast, reliable communication with compatible readers across a wide range of applications including access control, time & attendance, campus ID, and cashless systems.

Each S50 key fob features 1KB (1024-byte) EEPROM memory, organized into 16 sectors with multiple data blocks, allowing for secure data segmentation and flexible encoding options. This structure makes them ideal for systems requiring controlled access, user authentication, or multi-purpose credentialing without the added cost of higher-capacity chips.

Encased in a durable ABS housing, these light orange key fobs are designed for everyday use on keyrings, providing long-term reliability in high-traffic environments such as offices, schools, gyms, and residential communities. With passive RFID operation, they require no batteries and minimal maintenance, ensuring consistent, dependable performance over time.

Upgrade your access control system with MIFARE Classic 1K RED S50 Key Fobs (100 pack)—a reliable, cost-effective contactless credential solution built for performance and versatility. Utilizing advanced 13.56 MHz RFID technology, these fobs deliver fast read speeds and secure authentication, while the 1K memory architecture provides efficient data storage for access control, time tracking, and multi-application environments. The vibrant light orange color enhances visual identification and organization, making them ideal for large facilities and multi-user systems. Engineered with a rugged ABS shell and compact keychain design, these S50 key fobs offer long-lasting durability, maintenance-free operation, and seamless compatibility with a wide range of RFID readers. Perfect for commercial, institutional, and industrial use, they provide a dependable, scalable solution for modern credential management.

Industry Standard MIFARE® (14443 Type A/B).