Hirsch 4082 Prox Key Fob - 33 Bit D10202 The Hirsch 4082 Proximity Key Fob provides compact 125kHz proximity credential technology with 33-bit D10202 formatting for secure access control applications. Designed for convenient keyring use, these durable fobs offer reliable performance in everyday credential environments. Manufacturer: Hirsch SKU: 202-4082 Facility Code by Default 17 * Card Start Range ( 0-16,777,215) * $5.70 This product has a minimum quantity of 50 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 4082 Proximity Key Fob is designed for organizations utilizing 125kHz proximity credential technology with 33-bit D10202 formatting. This compact credential is commonly used in commercial facilities, residential properties, healthcare campuses, educational institutions, and industrial environments where a small, portable access control device is preferred over traditional cards. The key fob form factor allows users to easily attach credentials to keyrings, lanyards, or badge reels, making it ideal for employees, contractors, and authorized personnel who require consistent access without carrying a standard ID card. Despite its compact size, the fob delivers reliable read performance in compatible 125kHz proximity reader systems and is built for daily wear and tear. Organizations ordering programmed D10202 credentials will typically need to provide their assigned facility code and credential numbering range to ensure compatibility with their existing access control system configuration. 125kHz proximity credential technology 33-bit D10202 formatting Compact key fob design Durable housing for everyday use Supports facility code programming Sequential credential numbering available Convenient keyring attachment Comparable to major D10202-compatible credential formats