Hot Start :< =8sec. Warm Start :< =29sec. Cold Start :< =38sec. Satellite Reacquisition Time Accuracy: 100 Ms Position Accuracy: Up To 3m Possible GPS frequency 1575.42MHZ Senility -156dBm Quantity of channels 20 Accuracy and velocity <10 meter, 0.1m/s Real built-in antenna 4.3 Inch 64K TFT Display Touch Panel Screen supplier:INNOLUX Resolution:480x272 280cd/m2 with touch screen Aspect Ratio: 4:3 CPU: Centrality Atlas-III 400MHz O/S: Win ce Net 5.0 Memory: 64MB SDRAM Built-In 64Mb (NAND flash) USB Client For Active Synchronization SD memory Slot,SD upto 2GB 3.7V, 1100 mAH Li-Ion rechargeable Battery especially for GPS Charging: 5V USB Power Jack AC Adapter: 120/230V universal AC/DC adapter Car Adapter:12VDC to 5VDC 2A Support: MP3, MPEG4,AVI,ASF,3GP, Photo and E-Book FM (Bluetooth) Accessores: touchpen, holder, USD cable Size :85.0(L)*91.0(W)*23.6(T)mm Dimension: 19.5*16.5*9.6cm N.W.: 7.68KG G.W.: 7.9KG Certificates: FCC,CE,ROHS