Built-in high-frequency antenna with depth matching for seamless card data reading without interruption. Increased parse key rate supports various card sizes. Stable data sniffing with low error rate. Low frequency antenna improves signal-to-noise ratio and increases recognition rate. No external antenna interface; designed for durability. Powered via USB port for simple and convenient operation (can be used with mobile power supply). This device does not have quick-swappable or detachable antennas. It is built on the Easy platform and features 512K flash EEPROM, allowing firmware updates. Firmware flashing requires technical knowledge and experience. A computer is required, and users should be comfortable running terminal commands to operate the Proxmark 3. Equipped with AT91SAM7S512 controller and 512K EEPROM, compatible with latest firmware. Proxmark 3 Easy model supporting 125 kHz, 134.2 kHz, and 13.56 MHz frequencies. Supports LF chips including T55xx, EM4100, animal tags, and HID. Supports HF chips such as MF 1K and 4K. Includes 10 sample cards: 2 x T5577 ID cards, 2 x S50 IC cards, 2 x UID IC cards, 2 x CUID IC cards, and 2 x S50 IC key tags. Compact and portable design. Model: PM3 Easy 3.0 512K Working Voltage: 3.55.5V Working Current: 50130mA Thickness: 1.6cm Note: Some accessory styles may vary randomly; specific styles cannot be requested. Color: As shown in photos Material: Plastic Size: 8.8 x 5.5 x 1.6cm Package Contents: 1 x Proxmark3 V3.0 DEV Easy 512 Module 1 x USB Data Cable 2 x 13.56MHz S50 PVC Cards 2 x 13.56MHz UID PVC Cards 2 x 13.56MHz CUID PVC Cards 2 x 13.56MHz RFID Key IC Tags (Blue) 2 x 125kHz T5577 ID PVC Cards Only the items listed are included; other products are not part of this package. Note: Lighting reflections and differences in display screens may cause slight variations between the product color in images and the actual item. Measurement error allowance is +/- 13cm.