Product Overview NVC-301-G is a fusion of video surveillance, project-based motion detection alarm, intercom and other features of network cameras. Features support for one analog video signal input. H264 dual stream compression technology, two-way voice intercom, 1 alarm input and output functions, the highest resolution D1 (704X576) or 720P, 1 个 RJ45 10 / 100M Ethernet port, support for mobile . monitor support SD card video capture support motion detection, with RS485 interface, scalable external PTZ control built China Unicom's WCDMA 3G network module industrial grade, supports 2.8M uplink rate dynamic IP support agreement:... N-DISP and ONVIF protocol and protocol support Plug and Play PNP eyes of God dedicated APN card scenarios apply to financial, supermarkets, hotels, government, schools, construction sites, factories and other low light and require HD quality indoor / outdoor spaces.