Hirsch 4000 Clamshell Prox Card - 36 Bit S12906

The Hirsch 4000 Clamshell Proximity Card is designed for organizations utilizing 125kHz proximity credential technology with 36-bit S12906 formatting. Featuring a rugged clamshell construction, these credentials are built for long-term durability and consistent performance in demanding access control environments.

The reinforced design makes these cards well suited for high-traffic facilities such as commercial buildings, healthcare campuses, educational institutions, government facilities, and industrial sites where credentials are used frequently throughout the day. The sturdy construction helps ensure reliable operation in compatible 125kHz proximity reader systems over extended use.

Unlike printable ISO cards, the clamshell format is optimized for durability rather than visual customization, making it ideal for environments where long-lasting credential performance is the primary requirement.

Programmed using 36-bit S12906 formatting, these credentials support structured encoding for scalable and secure access control system deployments.

• 125kHz proximity credential technology
• 36-bit S12906 formatting
• Durable clamshell card construction
• Designed for high-traffic environments
• Long-lasting wear-resistant design
• Reliable performance for daily access control use
• Supports structured credential encoding
• Cost-effective high-durability solution