1-4 Channel Digital Video Optical Multiplexer Converter 2-Optical WDM 3-extra ethernet, analog, switch 4-factory price +7X24 HT OVD ... solution for transmission of 1,2,4,8,16 channel uncompressed digital video, 1,2,4 reversed stereo audio and 1reversed ... surveillance, homeland security, ITS and etc.FeaturesTransports 1,2,4,8,16 channel digitized, high quality, uncompressed video, Single directional ...