Control: To solve the HDMI signal transmission over longer distances, the image mosaic happened, color distortion, and other issues can not be transferred, is designed to display and large-screen wall display advertising works, industrial automation and control, medical equipment, security monitoring network flat, multimedia teaching high quality display systems engineering needs long-distance transmission of HDMI video signal HDMI signal conversion and set professional design, the drive, and restore capabilities for receiving one of the signal transmission system