Hirsch 4082 Prox Key Fob - 35 Bit H5XXXX

The Hirsch 4082 Proximity Key Fob is designed to support new and existing physical access control environments utilizing 125kHz proximity credential technology. Featuring a compact and durable key fob design, these credentials provide reliable everyday access functionality while offering a convenient alternative to traditional proximity cards.

Built for frequent daily use, the rugged fob construction is ideal for attachment to keyrings, badge reels, and lanyards in commercial facilities, healthcare campuses, educational institutions, residential properties, and industrial security environments. The compact form factor allows users to carry credentials comfortably while maintaining dependable read performance within compatible 125kHz proximity reader environments.

These credentials are programmed using 35-bit H5XXXX formatting and support expanded facility code and credential numbering capacities for organizations requiring secure and scalable credential management.

• 125kHz proximity credential technology
• 35-bit H5XXXX formatting
• Facility code range: 0-4,095
• Number range: 0-1,048,575
• Compact key fob design
• Durable construction for daily use
• Designed for keyring and lanyard attachment
• Reliable performance for physical access control applications