Product picture - MultiDyne HD-3521-RX-53-ST 3 Gbps Serial Digital Video Transceiver with 2-Channel 2-Way Data over Single-Mode Fiber Connection MultiDyne, HD-3521-RX-53-ST, 3, Gbps, Serial, Digital, Video, Transceiver, with, 2-Channel, 2-Way, Data, over, Single-Mode, Fiber, Connection Click the image to close this page