The Thor Hdmi to RF Modulators headened units are an ideal product to create your own CATV channels over existing coax to create your custom cable channels that are easily distributed to all your televisions quickly and efficiently. The best quality HD picture allows you to broadcast any HDMI device into your RF modulated channel at the lowest cost per channel. Thor Broadcast has a wide array of options for delivering RF & IP simultaneously, performance options like lowest latency on the market, and high density units to keep your headend clean. These High Definition Digital Cable Modulators encode in multiple different modulation standards; includinig DVB-C QAM, ATSC, DVB-T and ISDB-T. VCT and independent encoders per input help manage and create a custom RF CATV channel lineup fast and easy. All digital modulators are capable of modulating various codecs in MPEG2 AAC, MPEG 4 and AC3 Audio.