Product picture - Meridian Technologies DigiFlex DXA-2W2A2D-5 Bidirectional 2-Channel 10-Bit NTSC PAL Video, 2-Channel Balanced Audio, and 2-Channel RS-232 Data Transceiver Card Meridian, Technologies, DigiFlex, DXA-2W2A2D-5, Bidirectional, 2-Channel, 10-Bit, NTSC, PAL, Video, 2-Channel, Balanced, Audio, 2-Channel, RS-232, Data, Transceiver, Card Click the image to close this page