... , resolution: 800*480 2. CPU: SiRF Atlas V 500MHz, dual core Notice:We are attending the China ... inch CPND Portable GPS Navigation WiFi :802.11 b/g support 1.5 inch TFT touch screen, ... resolution: 800*4802. CPU: SiRF Atlas V 500MHz, dual core3. Operating system: Microsoft WinCE 6.0 ... 900/18000MHz(850/1900MHz Optioanl)6. WiFi :802.11 b/g support (Optional)7.Functions: Navigation, MP3, MP4, ...