Is the powerful solution for 4X4 HDMI Matrix Switch Extender over IP..
Each receiver is capable of connecting
Another 2 receivers for further 100m (point-to-pint).
the HDMI sources are selectable by front buttons  or IR remote control.
Easy  and convenient to control the long-distance RS-232 devices over CAT.5e/6 and real-time monitor
 each content of 4 HDMI sources at local site.without going through the converter,
It can mixed complex a variety of interfaces output: HDMI turn VGA, HDMI turn DP, HDMI turn DVI. Applications etc.