Product picture - Meridian Technologies DigiFlex DT-4W1G 1G-SFP 4-Channel NTSC PAL Video Multiplexer with 1-Channel Bidirectional Multiprotocol Data System Transmitter Card with SFP Connector Meridian, Technologies, DigiFlex, DT-4W1G, 1G-SFP, 4-Channel, NTSC, PAL, Video, Multiplexer, with, 1-Channel, Bidirectional, Multiprotocol, Data, System, Transmitter, Card, with, SFP, Connector Click the image to close this page