E-sds 1080P HDMI Extender Over Coaxial Cable(RG6/7/11),HDMI Signal to HD Digital TV Signal Based on DVB-T CATV Up to 328-1640Ft(100-500m)(Receiver Only Not Including Transmitter) Note:Receiver Only Not including Transmitter,this receiver should work with transmitter.Search ASIN B0107W8OQ2 for Transmitter & Receiver set.It's NOT a HDMI to Coaxial converter. It is easy to built one to multiple and multiple to multiple video matrix or one TX to one RX connection. When transmitting a signal in 1080p resolution the CATV operating distance is 100 meters. Equalizes and recovers incoming TMDS data before re-transmitting it in optimal quality regardless of the incoming signal quality. Can be widely applied in CCTV, outer large screen, shopping mall advertisement, media education and digital KVM fields etc.