Product picture - Meridian Technologies DigiFlex DR-4W1G 1G-SFP 4-Channel 10-Bit, 7 MHz NTSC PAL Video and 1-Channel Bidirectional Multiprotocol Data System Receiver Card Meridian, Technologies, DigiFlex, DR-4W1G, 1G-SFP, 4-Channel, 10-Bit, 7, MHz, NTSC, PAL, Video, 1-Channel, Bidirectional, Multiprotocol, Data, System, Receiver, Card Click the image to close this page