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