It transmits high-definition video signals over long distances through optical fiber, and supports functions such as serial port data transmission and external independent audio, which can adapt to a variety of complex application environments. The device uses advanced FPGA video processing chips, with excellent image processing and transmission capabilities, making signal transmission more smooth and stable, and is a reliable, high-performance, and efficient way to extend HDMI signals. It is widely used in exhibitions, rail transit, radio and television, video conferencing, medical teaching, educational recording and broadcasting, projection integration and other industries with high requirements for video.