The KanexPro SP-HDCAT1X4 is a one transmitter and four receiver amplifier set that enables high resolution 1080p HDMI signals to be routed over distances up to 394ft.(120m) significantly beyond the capability of standard HDMI connectivity. When connected together using four economical and installer friendly CAT5e/6 cables, the transmitter inputs the HDMI signal into four identical outputs carrying 394 ft./1080p resolution simultaneously from the provided receivers. For control options the 1x4 splitter comes with IR receivers for each of the four receivers and provides IR pass-back function to control the HDMI source device remotely from the displays.