Product picture - MultiDyne OG-3601 Receiver Card 4 One-Way 3G-SDI Video, Bidirectional Composite Video, 8 Two-Way Analog Audio MultiDyne, OG-3601, Receiver, Card, 4, One-Way, 3G-SDI, Video, Bidirectional, Composite, Video, 8, Two-Way, Analog, Audio Click the image to close this page