... RFID module to A6 is easy, integrated. There is no protrusion. Hardware expansions are available from readers of HF, LF and UHF ... Inch 2 Mpixel color cameraI/O Inerfaces: RS232, USB1.1 Device+Host, Modemx1, SDIOx1, SPIx1, IICx1Dimension & Weight: 158(L) X ... none condensingRugged Rating:* IP64* Multiple 4ft/1.2m drops HF RFID Reader:Supported Tags: ISO15693,ISO18000-3,ISO14443A,ISO14443B, ISO 14443C ...