The Elatec TWN4-T4BT-FB2BEL6 is a desktop reader that supports LF and HF card technologies. With the ability to read both 125kHz and 13.56MHz frequencies, this RFID reader allows for precise control over the cards you read and how the output is configured. This ensures that you can create a tailored and secure access control system that meets your specific needs. Key features:Supports LF and HF card technologiesReads 125kHz and 13.56MHz frequenciesComes with a 2.0m USB cable Please note that the TWN4 card readers are compatible with all HID cards and can read/write encrypted data with options P and I.