The 1 x 4 SDI Splitter allows to Distribute 1 SDI, HD-SDI & 3G-SDI video source to 4 SDI / HD-SDI / 3G-SDI displays simultaneously. And, The Splitter has built-in automatic identification function, and compatible with SDI, HD-SDI & 3G-SDI (All formats of SDI) signal. It not only supports 2.97Gbps bandwidth, but also supports lossless transmission over long distance.