HDMI has a limitation of about 20m. Using a sender ( TX)  and a receiving ( RX) device with CAT5e/ 6/ Lan cable between the devices is a cost effective way to send an HDMI signal as far as 120 metres away. Distance depends on the length and quality of the interconnect cable  which is not supplied with the unit ! The sender ( From an HDMI device, eg camera) can also be used in conjunction with a router and multiple receivers to send one signal to various devices( Like monitors or projectors with HDMI  input ) Two 5V power supplies included

HDMI Input port specification :


HDMI Output port specification:


Audio format supported: PCM .Transmission rate supported:10.2Gbps