... chip + WCE6 system + 1.3G main frequency 2. Built-in DVR,GPS antenna,bluetooth (3.0 version),FM thansmission. FUNCTIONS GPS ... 2Central Frequency1575.42MHzAntenna typeBuilt-inMonitorDisplay Screen4.3”, 480*272 TFT-LCD (Digital), Aspect Ratio :16:9Touch Screen4.3 inches four ... to cutting-edge products such as mirror monitor with GPS/DVR, intelligent parking assist system, CANBUS car alarm and etc.. ...