The H-HDMI-CC-RF is a Networked HDMI RF Digital Modulator with closed captioning. The most unique and cost effective networked digital HDMI RF modulator with CC (closed captioning). Designed to allow any HDMI source like an STB, satellite receiver, HDMI camera, DVD player, Computer, ROKU converted to any RF TV channel of your choice It is an all-in-one device integrating HD MPEG2 encoding with AC3 Dolby Audio and CC input with internal digital modulator. Converts HD audio/video signals from any device into DVB-C/T/ATSC/ISDB-T RF output.