Product picture - Meridian Technologies DigiFlex DR-6V1F 1F-2 6-Channel NTSC PAL, Video, and Bi-directional RS-422 Data Receiver Card Meridian, Technologies, DigiFlex, DR-6V1F, 1F-2, 6-Channel, NTSC, PAL, Video, Bi-directional, RS-422, Data, Receiver, Card Click the image to close this page