... navigation, Sirf Atlas IV mini gps, 5.0" TFT touch screen, high resolution 480 x 272 pixels, OS: WinCE 6.0 ... /500MHZ GPSSirf Atlas IV mini gps1. 5.0" TFT touch screen, high resolution 480 x 272 pixels.2. CPU:SIRF STAR ... and temperature: Operation 0-50 , storage: -10-60 GPS navigation (5" TFT touch screen, Sirf Atlas IV , FM+AVIN+Internal 4G capacity ...