Product picture - Meridian Technologies DigiFlex FT-1V4D 4D-5 1-Channel NTSC PAL Video and 4-Channel Bidirectional RS-232 Data Transmitter Card Meridian, Technologies, DigiFlex, FT-1V4D, 4D-5, 1-Channel, NTSC, PAL, Video, 4-Channel, Bidirectional, RS-232, Data, Transmitter, Card Click the image to close this page