... 4,suppore symbian,windows mobile, iphone,android phone Specification:4CH,H.264 compression,support SATA HardDisk ... android ,BlackBerry ,mobile phone live view via 3G net *4ch separate video display and compression,video simutanelously* ... PPPOE,DDNS ,USB*Supports 4-channel recording and playback at the same time;*Recording bitstream/frame ... H.264 support D1 3G cell phone view and Network CCTV DVR