Compact Embed RFID reader is designed for using with Mifare 13.56MHz keys cards. It connects to the controllers via iButton (1-Wire) protocol. Embed reader supports both open (ID reading) and the protected (ID encrypting) mode for key data access. Protected mode of key ID transmission provides protection against copying and cloning. You may change the encryption keys unlimited number of times. Device is made of mechanically durable and fire-resistant metallic material.