Detailed Product Description LCD: 4 inch TFT Touch panel, resolution 480*272, 16.7M color, adjustable backlight CPU: ARM9 400Mhz, OS: Microsoft Windows CE5.0 Core version, GPS: Integrated SiRF III GPS chipset, supporting 20 parallel channels, speed accuracy: 0.1m/s Antenna: Built-in patch antenna with port for external antenna Operation: reliable Push-on switch wheel Internal Storage: 64Mb-1Gb ...