... -Expo • Hong Kong 5 inch CPND Portable GPS Navigation WiFi :802.11 b/g support 1.5 inch TFT touch screen, resolution: 800 ... 2100MHz, GSM/GPRS 900/18000MHz(850/1900MHz Optioanl)6. WiFi :802.11 b/g support (Optional)7.Functions: Navigation, MP3, MP4, Photo, Ebook8 ... than 10m9. Antenna: internal high sensitivity GPS ,3G/GSM and WiFi Antenna10. Battery: 1500mAh Lithium Polymer battery, up to 2.5 ...