Hirsch 4090 Prox PVC Disk - 32 Bit Quadrakey The Hirsch 4090 Prox PVC Disk provides compact 125kHz proximity credential technology with 32-bit Quadrakey formatting for secure physical access control applications. Its lightweight PVC disk design offers convenient credential portability for everyday access management. Manufacturer: Hirsch SKU: Quad-4090 Card Start Range ( 0-4,294,967,295) * $5.20 This product has a minimum quantity of 100 Qty: Add to cart Ship to Select country United States of America * Other * Shipping Method Name Estimated Delivery Price No shipping options Apply Custom wishlist OK Add to wishlist Add to compare list Email a friend The Hirsch 4090 Prox PVC Disk is designed for organizations utilizing 125kHz proximity credential technology with standard 32-bit Quadrakey formatting. Featuring a compact PVC disk form factor, these credentials provide a practical alternative to traditional proximity cards for users who prefer smaller, portable access credentials that can easily attach to key rings, badge reels, or lanyards. Commonly used in commercial facilities, parking environments, residential properties, healthcare campuses, educational institutions, and industrial security programs, these proximity disks provide reliable read performance within compatible 125kHz proximity reader environments. The durable PVC construction supports everyday handling while maintaining consistent credential functionality for secure access control operations. Organizations ordering programmed Quadrakey credentials will typically need to provide card numbering requirements to ensure compatibility with their existing credential inventory and access control enrollment structure. 125kHz proximity credential technology 32-bit Quadrakey formatting Compact PVC disk design Lightweight and durable construction Sequential credential numbering available Designed for key ring or lanyard attachment Comparable to major Quadrakey-compatible credential formats