Hirsch 4020 ISO Composite Prox Card - 36 Bit S12906 The Hirsch 4020 ISO Composite Proximity Card delivers secure 125kHz proximity credential technology with 36-bit S12906 formatting in a durable composite ISO card design for reliable access control and identification applications. Manufacturer: Hirsch SKU: 906-4020 Card Start Range (0-16,777,215) * Slot Punch * No Punch Portrait Landscape $6.15 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 4020 ISO Composite Proximity Card is designed for organizations utilizing 125kHz proximity credential technology with 36-bit S12906 formatting. Manufactured in a durable ISO composite card construction, these credentials provide a dependable and cost-effective solution for secure physical access control and employee identification programs. The composite card design offers enhanced durability and improved heat resistance, making it well suited for lamination and retransfer printing processes. This allows organizations to produce high-quality photo identification badges while maintaining consistent proximity-based access performance. These credentials are widely used in commercial facilities, healthcare environments, educational institutions, government buildings, and industrial sites requiring reliable and scalable access control solutions. The printable surface supports employee badging and visual identification applications while ensuring dependable operation in compatible 125kHz proximity reader environments. Programmed using 36-bit S12906 formatting, these credentials support structured encoding for secure and scalable access control system deployment. 125kHz proximity credential technology 36-bit S12906 formatting Durable ISO composite card construction Heat-resistant for lamination and retransfer printing Printable surface for photo ID applications Reliable performance for physical access control applications Supports structured credential encoding Cost-effective access control solution