125KHz EM Proximity access control key fob. Main Features 125 kHz proximity for secure access Durable PVC construction material Compatible with 26-bit format Blue color for easy identification Compact dimensions for portability Technical Specifications Frequency: 125KHz Type: EM Proximity Material: PVC Format: Wiegand 26-bit Color: Blue Dimensions: 1.38 x 0.12 x 0.6 in. Compatibility Access control systems with 125KHz EM reader Controllers with Wiegand 26-bit format Applications Access control in corporate buildings Security in industrial facilities Personnel management in educational institutions Access control in gyms and clubs Key Features 125 kHz EM Technology for Secure Access Control Durable PVC Construction for Long-Lasting Performance Wiegand 26-Bit Format Compatibility With Most Systems Bright Blue Color for Quick Visual Identification Compact Size for Easy Portability on Keychains Compatible With All 125 kHz EM Proximity Readers