... ,128M flash, wifi,bluetooth,RS232+USB GPS, GPRS, 6-8hour Battery 1.CPU: ARM SAMSUNG-S3C2442,400HMZ2.Support: windows CE 5 ... .SIRFIII GPS is optional,11. Build-in 5000mAH lithium-poly battery,work about 6-8 hours,12.Dimension(mm): 194*120 ... with RS232 serial port GSM GPS Bluetooth 6-8 hous battery