... Mobile DVR,car DVR ,Vehicle DVR,Car recorder,Car camera kits ,car digital recorder • H.264 video compression format ... -sensor accelerometer sensor, optional features • Support for 3G wireless transmission function, the various 3G standards, WCDMA, CDMA2000, ... adapt to network interfaceWireless Transmission Support built-in 3G wireless transmission capabilities, WCDMA, EVDO, HSPA, TD-CDMA optional ...