Product picture - Meridian Technologies DigiFlex DXA-1V1A1D-5 Bi-Directional 8-Bit NTSC PAL Video, Balanced Audio, and RS-232 Data Transceiver Card Meridian, Technologies, DigiFlex, DXA-1V1A1D-5, Bi-Directional, 8-Bit, NTSC, PAL, Video, Balanced, Audio, RS-232, Data, Transceiver, Card Click the image to close this page