The SD3 125KHz Proximity Keyfob is a durable and convenient RFID access key designed for access control systems operating at 125KHz. It provides fast, stable, and highly reliable identification, making it an ideal solution for businesses, offices, residential buildings, and any environment requiring secure and efficient access management.
Compact and lightweight, the SD3 keyfob is built from robust ABS material, ensuring long-lasting performance even under daily use. Its ergonomic shape makes it easy to carry on keychains, lanyards, or ID holders, offering users a practical everyday access credential.
Operating frequency: 125 kHz. Technology: Passive proximity (e.g., EM/ASK compatible, EM4100-style). Data type: Read-only ID (fixed UID). Reading range: typically 110 cm (depends on reader). Housing material: ABS plastic (durable). Dimensions (typical): approx. Φ30-36mm thickness 4-8 mm (varies by manufacturer) Color: blue. Applications: building access control, time & attendance, hotel systems, parking access. Benefits: compact size, easy to carry/use, durable, low replacement cost.
