High Sensitivity Receiver     Hot Start :< =5sec. Warm Start :< =38sec. Cold Start :< =45sec. Satellite Reacquisition                                                                                                        Time Accuracy: 100 Ms Position Accuracy: Up To 3m Possible     GPS frequency 1575.42MHZ Senility -156dBm Number of channels 24 Accuracy and velocity <10 meter, 0.1m/s     Real built-in antenna     4.3 Inch 65K Color TFT Display Touch Panel     CPU: Centrality 400mhz, AT642 Processor     Memory: 64MB SDRAM Built-In     128Mb (NAND flash)     USB Client For Active Synchronization     SD memory Slot ， SD upto 2GB     3.7V, 1800 mAH Li-Ion   rechargeable   Battery especially for GPS     5V DC Power Jack     120/230V universal AC/DC adapter     12VDC to 5VDC 2A     Microsoft Wince.NET5.0 Core Version     MP3, Movie, Photo and E-Book