Product picture - Meridian Technologies DigiFlex DR-2V1J 1J-5 2-Channel NTSC PAL, Video, and Bi-directional 2-Wire RS-485 Data Receiver Card Meridian, Technologies, DigiFlex, DR-2V1J, 1J-5, 2-Channel, NTSC, PAL, Video, Bi-directional, 2-Wire, RS-485, Data, Receiver, Card Click the image to close this page