Product picture - Meridian Technologies DigiSlim FT-1W2C1G 2C1G-5 Transmission System with 1-Channel NTSC PAL Video , 2-Channel Bi-directional Contact Closure, and 1-Channel Bi-directional Multi-protocol Data Meridian, Technologies, DigiSlim, FT-1W2C1G, 2C1G-5, Transmission, System, with, 1-Channel, NTSC, PAL, Video, 2-Channel, Bi-directional, Contact, Closure, 1-Channel, Bi-directional, Multi-protocol, Data Click the image to close this page