The Aten VM6404H 4x4 HDMI Matrix switch is an ideal solution for applications that require multiple HDMI displays with multiple HDMI sources to be conveniently setup – such as for stage presentations, digital classroom, video conference rooms and any installation that requires real-time reporting. It features Front-Panel configuration via LCD display / pushbuttons / IR remote control, Viseo Wall Technology, and has built-in Scaler on each output port converts input resolutions into the display’s native resolution, supports scaling 4K resolutions up or down.
Data Sheet
Manual 
The Aten VM6404H 4x4 HDMI Matrix switch is an ideal solution for applications that require multiple HDMI displays with multiple HDMI sources to be conveniently setup – such as for stage presentations, digital classroom, video conference rooms and any installation that requires real-time reporting. It features Front-Panel configuration via LCD display / pushbuttons / IR remote control, Viseo Wall Technology, and has built-in Scaler on each output port converts input resolutions into the display’s native resolution, supports scaling 4K resolutions up or down. Data Sheet Manual
The HDMI-EX100 HDBAseT4K RS232 with two way IR control extends an HDMI signal over a single CAT65/6 cable up to 100m. The HMI-EX100 requires only one power supply. Full control of devices at each end is possible using the built in IR and RS232 facilities and this kit can connect your smart TV to the internet using the same network cable. It is capable of transmitting HDMI images of up to 4k UHD resolution over a distance of up to 70m and 1080p images over a distance of up to 100m.