
Hirsch 4082 Prox Key Fob - 36 Bit S12906
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 form factor, these credentials provide a convenient alternative to traditional access cards while maintaining reliable performance in daily use environments.
Built for durability, the fob is ideal for attachment to keyrings, badge reels, or lanyards, making it suitable for employees, contractors, and authorized personnel across commercial facilities, healthcare campuses, educational institutions, residential properties, and industrial environments. Its compact design allows for easy portability without compromising read performance in compatible 125kHz proximity reader systems.
Programmed using 36-bit S12906 formatting, these credentials support secure and scalable credential management for access control systems requiring structured encoding formats.
- 125kHz proximity credential technology
- 36-bit S12906 formatting
- Compact key fob design
- Durable construction for daily use
- Keyring, lanyard, or badge reel compatible
- Reliable performance for physical access control applications
- Portable alternative to proximity cards





