Product picture - Meridian Technologies DigiSlim FR-4V1C1D 1C1D-SFP 4-Channel NTSC PAL 8-Bit 7 MHz Video, 1-Channel Bi-Directional Contact Closure, & 1-Channel RS-232 Data System Receiver Card Meridian, Technologies, DigiSlim, FR-4V1C1D, 1C1D-SFP, 4-Channel, NTSC, PAL, 8-Bit, 7, MHz, Video, 1-Channel, Bi-Directional, Contact, Closure, &, 1-Channel, RS-232, Data, System, Receiver, Card Click the image to close this page