Product picture - Meridian Technologies DigiFlex DT-4V1D 1D-2 Digitally-Encoded Four-Channel Video with Full-Duplex Rs-232 Data Channel Transmitter Meridian, Technologies, DigiFlex, DT-4V1D, 1D-2, Digitally-Encoded, Four-Channel, Video, with, Full-Duplex, Rs-232, Data, Channel, Transmitter Click the image to close this page