Generic LKV614 1x4 SDI Amplifier Splitter 1 In to 4 Out SD-SDI HD-SDI 3G-SDI Repeater Extender Lenkeng SDI splitter has build-in cable equalizer, reclocker and cable driver, supports the maximum cable length (Bleden-B6194A):SDI input and output length support: SDI for 400m, HD for 200m and 3G for 10mLenkeng SDI splitter is Plug-and-play (no software needed) and can auto detect SDI signalIndicator LED turns blue when correct SDI signal inputs, turns red when no signal or incorrect signal inputs, allowing users to find out problem easily.