... Operating system: WINCE5.0 5. Storage: internal 128M Nand flash / external SD card 6. Types of operation methods: touch screen, keystroke ... . Precision of Locating:Less than 10m 10. Antenna: with GPS internal Antenna and reserved external GPS Antenna jack 11. DC IN: 12V (with built ... of audio visual products. Our main products include car navigation GPS, DVB-T receiver / Set Top Box, DVD, DIVX, music ...