Featuring 13.56MHz contactless technology and NFC, the Proximity Card Encoder enables on-site encoding of MIFARE/DESFire proximity cards and tags. With its compact design, the smart card encoder connects to a computer via USB port and installs as a plug-a. With its small and attractive design, the device won't take up desk space when you need to encode proximity cards or tags. You can easily take the compact encoder with you wherever you may go.