HDMI06 HDMI signal transfer via coaxial cable up to 400 meters. Single Channel HDMI Extender over coaxial cable distance up to 400M. HDMI EXTENDER OVER 400Meter RG6 COAXIAL CABLE (NXN Matrix Avaiable, 90+ Channels) It converts HDMI signal to HD digital TV signal based on DVB-T CATV transmission mode.