... DVR for Bus, Taxi,Police cars 3G SIM card supported Back up videos through internet H.264 expressive 3G ... DVR for Bus, Taxi, Police carsFeatures:3G SIM card supportedBack up videos through internetH.264 expressive with D1 ... Shard the Aviation plug with video outputMobile Embedded ModuleOptionalGPS ModuleOptionalWi-Fi ModuleOptionalCommunication Port1 Ethernet, 1RS232, 1RS485, 1RS422Memory Port1 USB2.0 ...