The hdmi extender provides extension of hdmi signal long distance over a single cat6 cable, transform one channel input to 7 channel output and one 1 channel loopout,seven of them can transmit high definition video signal over a single cat6 cable upto 50meters,it supports high resolution upto 1080p and 13kinds of EDID mode,the extender can use for a wide range of applications requiring long distance transmission of high resolution with high quality by its good stability and powerful security