... .0 64M SDRAM,128M flash, wifi,bluetooth,RS232+USB GPS, GPRS, 6-8hour Battery 1.CPU: ARM SAMSUNG-S3C2442,400HMZ2.Support: windows ... ),8. I/O: 2*USB Host,1*RS232 port,1*earphone jack,1*mic jack, 9.built-in GPRS module (optional),10.SIRFIII GPS is optional ...