HDBT-HDV-40/70TR-4K60 is an HDBaseT technology extender, it supports no compression, no losses, no latency HDMI signal transmission. It can can work with other HDBaseT equipment, such as Sony HDBaseT projector. All the signals are transmitted by one single CAT5e/6/7 cable, for 1080P it can transmit to a distance of 70m(230ft)/ 100m(330ft), for 4K60Hz 4:4:4, it can up to 40m(130ft)/70m(220ft). Compatible with all the HDTV resolutions, HDMI2.0a protocol. It also support bi-directional RS232 and IR transmission and realize the long distance control. Supports power over cable(POC) function, users only need to power one side; Supports 3.5mm Audio embedded and de-embedded, it can help users to have more choice whether the internal or external audio input and output; Supports EDID management, it provides users a wider way to work with different displays. So it can be popularly used in media conferencing room, school, government, cinema and so on applications.