JS-500HD is a desktop with high-performance professional conversion chip and twisted pair signal extender transmission hub junction box, with the connected VGA+AUDIO, HDMI signal can be transmitted through the UTP (STP) network cable as the transmission cable The basic standard can concentrate the audio and video control signals together and convert them through the RJ45/8-core interface with a maximum transmission distance of 100 meters. It adopts all-digital zero compression technology to realize the perfect transmission of video image point-to-point and audio.