The PSI-4-50 from Keri Systems is a cutting-edge image technology proximity card designed to enhance electronic security with advanced features and reliable performance. Leveraging Pyramid Series Proximity® technology, this card ensures seamless integration with various access control systems while offering maintenance-free convenience through its passive design.
Keri Systems PSI-4-50 Proximity Card Features
- Unique Security Feature: Employs MAXSecure™ technology for enhanced data protection, ensuring that unauthorized access is minimized.
- Output Interface: Compatible with Wiegand communication protocol, allowing easy integration with existing security systems.
- Vertical & Horizontal Indicators: Provides clear directional cues for users, improving access efficiency and user experience.
- Read Range: Supports a read range of up to 7 inches (176 mm), facilitating quick and contactless access.
- Frequency: Operates at 125 kHz, a standard frequency for reliable proximity card communication.
Keri Systems PSI-4-50 Detailed Specifications
| Feature | Details |
| Model | PSI-4-50 |
| Technology | Pyramid Series Proximity® |
| Frequency | 125 kHz |
| Read Range | Up to 7 inches (176 mm) |
| Output Interface | Wiegand communication protocol |
| Security Features | MAXSecure™ and fleaPower™ |
| Maintenance | Passive device requiring no battery |



















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