Product picture - Meridian Technologies DigiFlex DT-2V1F 1F-2 2-Channel NTSC PAL Video with 1 Bi-Directional RS-422 Data System Transmitter Card Meridian, Technologies, DigiFlex, DT-2V1F, 1F-2, 2-Channel, NTSC, PAL, Video, with, 1, Bi-Directional, RS-422, Data, System, Transmitter, Card Click the image to close this page