Certification:FCC, ce Type:Embedded Computer Model:OK335XD+4.3''Resistive LCD Architecture:Cortex-A8 Main Frequency:800MHZ RAM:512MB DDR3 Flash:256MB NandFlash (1GB optional) OS:Linux,Win CE,Android,Starter WARE RS485:1-ch(With isolation protection) Video Codec:Software codec Audio:IIS interface ART/IrDA:6-ch