ZeeVee Hdbridge HDB2520-NA 2-Channel HD MPEG2 Digital Video Encoder/QAM - 720p North AmericaDistribute two sources / channels HD video up to 720p resolution to an unlimited number of displays over almost any distance. The HDbridge 2520 series converts component or VGA sources into a RF signal that is sent to a HDTV display's QAM digital tuner over ..