Product picture - Meridian Technologies DigiFlex DR-2W2A 2A-2 Two Channel NTSC PAL Video and Two Channel Bidirectional Audio Receiver Card Meridian, Technologies, DigiFlex, DR-2W2A, 2A-2, Two, Channel, NTSC, PAL, Video, Two, Channel, Bidirectional, Audio, Receiver, Card Click the image to close this page