Hirsch 4082 Prox Key Fob - 36 Bit N901157A

The Hirsch 4082 Proximity Key Fob is designed to support new and existing physical access control systems utilizing 125kHz proximity credential technology. Featuring a compact and rugged key fob design, these credentials provide a convenient alternative to traditional proximity cards while maintaining consistent performance in daily use environments.

The durable housing is built for frequent handling and is ideal for attachment to keyrings, badge reels, or lanyards. This makes it well suited for employees, contractors, and authorized users across commercial facilities, healthcare campuses, educational institutions, residential properties, and industrial environments. The compact design allows for easy portability while maintaining reliable read performance in compatible 125kHz proximity reader systems.

Programmed using 36-bit N901157A formatting, these credentials support structured encoding for secure and scalable access control system deployments.

• 125kHz proximity credential technology
• 36-bit N901157A formatting
• Compact key fob design
• Durable construction for daily use
• Keyring or lanyard compatible
• Reliable performance for physical access control applications
• Portable alternative to proximity cards