Product picture - Meridian Technologies Series 300 PR-300R-V8 8-1D FM Video with Duplex RS-485 Data Receiver Card with Diagnostics Meridian, Technologies, Series, 300, PR-300R-V8, 8-1D, FM, Video, with, Duplex, RS-485, Data, Receiver, Card, with, Diagnostics Click the image to close this page