Product picture - MultiDyne 4-Channel 3.0 Gbps HD-SDI Fiber Optic Receiver Card, With 4x4 Matrix Over 1 Fiber. Supports SD-SDI, MultiDyne, 4-Channel, 3.0, Gbps, HD-SDI, Fiber, Optic, Receiver, Card, With, 4x4, Matrix, Over, 1, Fiber., Supports, SD-SDI, Click the image to close this page