Built-in high-frequency antenna with depth matching to eliminate blind spots and enable uninterrupted data reading. Improved parsing speed for card data with comprehensive compatibility. Stable data capture with low error rate. Low-frequency antenna enhances signal-to-noise ratio for higher recognition accuracy; detachable design supports versatile usage. No external antenna interface required, reducing risk of damage from plugging and unplugging. No lithium battery required, offering simple and convenient operation. (Can be powered via mobile power supply when offline) Lightweight, compact, and cost-effective design without unnecessary components. Compatible with all official firmware versions, supports firmware updates as needed. Operable via official "Command Line" or "Proxmark Tool.exe" based on user preference. # LF antenna: 30.41 V @ 125.00 kHz # LF antenna: 22.01 V @ 134.00 kHz # HF antenna: 28.43 V @ 13.56 MHz (Low frequency antenna installed on the left) Color: as shown Material: ABS Size: 8.7x5.4cm Package Contents: 1 x Full sector encryption card Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.