HID iCLASS Seos/iCLASS/Prox 520X Card

The HID iCLASS Seos/iCLASS/Prox 520X Card is a triple-technology access card designed to meet modern security needs while maintaining backward compatibility with legacy systems. This card combines iCLASS Seos, iCLASS, and Proximity (Prox) technologies.

• iCLASS Seos (13.56 MHz): Offers advanced encryption, mutual authentication, and secure communication for modern access control systems.
• iCLASS (13.56 MHz): Supports HID’s earlier-generation iCLASS readers for compatibility with existing systems.
• Proximity (125 kHz): Provides backward compatibility with legacy Prox readers.