Thor Broadcast H-THUNDER-1 HDMI RF Modulator – Universal 1-Channel HDMI to Coax Converter Experience professional-grade performance with the Thor Broadcast H-THUNDER-1, a powerful 1-channel HDMI modulator designed for reliability, flexibility, and world-wide compatibility. Featuring a modular design with 1 HDMI or CVBS (RCA) selectable input, the H-THUNDER-1 easily converts any HD or analog video source into a high-quality RF signal that can be received on any standard television. Whether your signal source is a set-top box, satellite receiver, CCTV camera, or DVD player, this unit delivers crystal-clear HD video and audio distribution over coax to every TV — no internet or set-top box required. Because it includes every global RF modulation standard (ATSC, QAM, DVB-T, ISDB-T, DMB-T, etc.), the H-THUNDER-1 is plug-and-play anywhere in the world — just connect, configure, and broadcast instantly. It also supports Closed Captioning (CC) through the analog CVBS RCA input using Line 21 data, perfect for compliance with broadcast standards. Key Features: 1 HDMI or CVBS (RCA) selectable input Global multi-standard modulator (ATSC / QAM / DVB-T / ISDB-T / DMB-T) Distributes video to any TV via coax — no additional receivers required Closed Captioning input supported via analog Line 21 Compact, reliable, and professional-grade performance Ideal for: hotels, schools, churches, sports bars, and home AV systems needing cost-effective HDMI to RF video distribution.