Product picture - Meridian Technologies DigiCool FR-1W1C 1C-SFP 1-Channel NTSC PAL Video with 1-Channel Bidirectional Contact Closure System Receiver Card with SFP Connector Meridian, Technologies, DigiCool, FR-1W1C, 1C-SFP, 1-Channel, NTSC, PAL, Video, with, 1-Channel, Bidirectional, Contact, Closure, System, Receiver, Card, with, SFP, Connector Click the image to close this page