... screen,wince 5.0 64M SDRAM,128M flash, wifi,bluetooth,RS232+USB GPS, GPRS, 6-8hour Battery 1.CPU: ARM SAMSUNG ... max 4GB Flash),8. I/O: 2*USB Host,1*RS232 port,1*earphone jack,1*mic jack, 9.built-in ... inch wince GPS GSM GPRS industrial PC computer UMPC with RS232 serial port GSM GPS Bluetooth 6-8 hous battery