Hirsch 4090 Prox PVC Disk - 37 Bit H10304

The Hirsch 4090 Prox PVC Disk is designed to support new and existing physical access control systems utilizing 125kHz proximity credential technology. Featuring a compact PVC disk form factor, these credentials provide a convenient and portable alternative to traditional access cards while maintaining reliable performance in daily use environments.

The lightweight yet durable construction makes this credential ideal for attachment to keyrings, lanyards, or badge reels. This makes it well suited for employees, contractors, and authorized users across commercial facilities, healthcare campuses, educational institutions, residential properties, and industrial environments requiring secure access control.

Programmed using 37-bit H10304 formatting, these credentials support structured encoding for secure and scalable access control system deployments.

• 125kHz proximity credential technology
• 37-bit H10304 formatting
• Compact PVC disk design
• Lightweight and durable construction
• Keyring or lanyard compatible
• Reliable performance for physical access control applications
• Portable alternative to proximity cards