Product picture - Meridian Technologies DigiFlex DXB-2V4A-5 2-Channel Bidirectional 10-Bit NTSC PAL Video and 4-Channel Bidirectional Balanced Audio System Transceiver Card Meridian, Technologies, DigiFlex, DXB-2V4A-5, 2-Channel, Bidirectional, 10-Bit, NTSC, PAL, Video, 4-Channel, Bidirectional, Balanced, Audio, System, Transceiver, Card Click the image to close this page