The HDMIEX50 is an HDMI extender which can extend your HDMI and control signals over a single cat5e/6 up to 164ft/50M to a compatible display. It also supports IR to control the either the source from the sink/display side to remotely change channels, Etc. The HDMI loop-out port allows the transmitter to act as a splitter to go to multiple displays. The EQ settings on the receiver allows for easy adjustment based on cabling distance while the EDID settings on the transmitter allow for EDID to be managed through either the HDMI loop-out or the HDMI output of the receiver for an easy and cost effective solution.