E-SDS 1080P HDMI Extender Over Coaxial Cable,HDMI Over Coax Cable(RG6/7/11) Up to 1640Ft(500m) by Transmitter & Receiver CV0017 HDMI Over Coax Extender transmits HDMI signals up to 1640Ft(500m) using one RG6/7/11 coaxial cable. At least 20DB attenuator is needed if your coax cable less than 328ft. Support a point to point connection.This system is setup so you can split the signal from one transmitter to several receivers.It is easy to built one transmitter to multiple receivers and multiple transmitters to multiple receivers for video matrix.99 Channels can be used for multiple HDTVs connection.ASIN of receiver:B01F6XGTO6 HDMI over coax extender when transmitting a signal in 1080P resolution the CATV operating distance is less than 328ft. Equalizes and recovers incoming TMDS data before re-transmitting it in optimal quality regardless of the incoming signal quality.There is a slight 0.5 second delay. Can be widely applied in CCTV, outer large screen, shopping mall advertisement, media education and digital KVM fields etc.Any question,please do not hesitate to contact us directly by clicking "secure4u" after "Sold by" then clicking "Ask a question".