... 264 compression, VGA, Support SATA HardDisk, Mouse, USBX2 network, Audio,RS485, IE browse,10 languages*Faraday GM8183 chip;* ... view via 3G net *4ch separate video display and compression,video simutanelously*1CH Audio input ,1CH Audio ... protocal,PPPOE,DDNS ,USB*Supports 4-channel recording and playback at the same time;*Recording bitstream/frame ... Remote 4CH H.264 Mobile Phone View and Network CCTV DVR