Product picture - Meridian Technologies DigiCool FR-1W2A2C-1 1-Channel NTSC PAL Video with 2-Channel Balanced Audio & 2-Channel Contact Closure System Receiver Card Meridian, Technologies, DigiCool, FR-1W2A2C-1, 1-Channel, NTSC, PAL, Video, with, 2-Channel, Balanced, Audio, &, 2-Channel, Contact, Closure, System, Receiver, Card Click the image to close this page