Ve-30rfm hdmi to rf matrix extender is designed to convert hdmi signal to hd digital tv Signal based on dvb-t catv signal, it uses 64qam mode to realize the hd digital tv signal conversion And transmit via coaxial cables for long distance. With the advantages of good image quality, strong resistance to interference and hundreds channels Available. It?s easy to build one-to-multi or multi-to-multi media matrix through extender, can be widely Applied in cctv, outer large screen, shopping mall advertisement, media education and digital kvm fields Etc. To solve problems such as image pixilated, distortion, and transfer failure. Apply to commercial ads on Screen walls, automatic industry digital board, medical facilities, the system to supervise and control Multimedia education etc. In order to deal with the demand of digital media signal?s long distance Transmission. The system is designed by rf transfer, providing more flexible choice for installation and Operation.