... 3.Double SD Cards 4. H.264 compression format 3G Mobile DVRIntroduction1,Support 4CH video,CIF,HD1,D1 resolution up ... other data in the video.3,Built-in GPS,3G wireless communication module,which achieve global positioning and real- ... inputAudio output1CH audio outputCable networkRJ45,1/100M adaptiveWireless networkGPS, 3G real-time transmission videoSupporting softwarePC playback, playback of video ...