1. Built-in high-frequency antenna, antenna depth matching, eliminate blind spots, read the whole card data flowing without interruption. 2. increase Parse the secret key rate , the size of the card takes all. 3. sniffing data, complete stable, low error rate. 4. The low frequency antenna to improve the signal to noise ratio, the higher the recognition rate, detachable design to meet various needs. 5. No antenna interface, did not need have to plug because it is easy to . Cancel the lithium battery, simple and convenient. (Offline can use mobile power supply) In addition to the original relay and other unrelated, low cost, lightweight and portable. Compatible with all official firmware, according to need to brush any version. According to your preference, you can use the official "Command Line" or "Proxmark Tool.exe" to operate # LF antenna: 30.41 V @ 125.00 kHz # LF antenna: 22.01V @ 134.00 kHz # HF antenna: 28.43V @ 13.56 MHz (Low frequency antenna installed on the left) colour: 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.