Product picture - Meridian Technologies DigiSlim FR-8V1C1G 1C1G-2 Reception System with 8-Channel NTSC PAL Video , 1-Channel Bi-directional Contact Closure, and 1-Channel Bi-directional Multi-protocol Data Meridian, Technologies, DigiSlim, FR-8V1C1G, 1C1G-2, Reception, System, with, 8-Channel, NTSC, PAL, Video, 1-Channel, Bi-directional, Contact, Closure, 1-Channel, Bi-directional, Multi-protocol, Data Click the image to close this page