IP Video Server/Encoder, Advanced multi-streaming rate real time H.264, Motion JPEG at D1 resolution, 4 Analog video inputs (BNC) and 4 alarm input & outputs, Audio input and output, RS485/232, PTZ control, 24MB pre-post-event recording buffer per port, USB 2.0 port and SD slot for storage/wireless network card, PoE Ready, optional antenna for wireless networks, Embedded video analytics including motion (up to 16 target areas) & video loss detection, SIP/VoIP support for two-way audio communications