Product picture - MultiDyne 4 One-Way 3G-SDI Video Transmitter With Genlock Sync, 2 Serial Data, 1 Tally & GPIO MultiDyne, 4, One-Way, 3G-SDI, Video, Transmitter, With, Genlock, Sync, 2, Serial, Data, 1, Tally, &, GPIO Click the image to close this page