Grandstream GXV3500 IP video encoder / decoder, H.264, 1 x Fast Ethernet, AC + PoE, BNC video input, alarm inputs / outputs, SIP/VoIP support of two-way audio and video streaming. Note: Must be ordered in multiples of 16 units. (GXV3500)

http://www.grandstream.com/sites/default/files/Resources/gxv3500_english_datasheet.pdf