Product picture - Meridian Technologies DigiFlex DR-1V4D 4D-SFP NTSC PAL Video and Bi-directional RS-232 Data Receiver Card with SFP Connector Meridian, Technologies, DigiFlex, DR-1V4D, 4D-SFP, NTSC, PAL, Video, Bi-directional, RS-232, Data, Receiver, Card, with, SFP, Connector Click the image to close this page