... 5.0 64M SDRAM,128M flash, wifi,bluetooth,RS232+USB GPS, GPRS, 6-8hour Battery 1.CPU: ARM S3C2442,400HMZ2. ... built-in Bluetooth, 6.WIFI 802.11b/g for Wireless Internet Access7.with TF card reader (support max 4GB Flash ... ),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,11. Build ...