• HDMI KVM Extender 4K POE Video HDMI Transmitter And receiver By Cat 6e 5e Over IP USB HDMI KVM Extender extends audio & video signals up to 150m via LAN cable, can achieve cascading connection by the virtue of switch. It can also support one to many connection ( one transmitter can connect 253 receivers maximum). Meanwhile it is easy to transmit HDMI high-definition signals by point to point, one to many, cascading connection. It is widely used for computer teaching system, high quality multimedia display, video conference, computer, LCD plasma high-definition display hall, digital home theatre, exhibitions, education, financial, scientific research and meteorology etc. orology etc. 60m HDMI USB extender HDMI transmitter KVM extender Product functions and features1 support resolution up to 1080P@60HZ, backward compatible 2 support USB1.1 function 3 support IR return function, convenient to control the device remotely 4 transmission distance up to 120m via CAT 5e/6. 5 can achieve cascading connection by the virtue of switch or router.