Bryan and marc, TV's do have ATSC tuners in them now, but for the most part, they don't have DVR's in them. The latest DVR from DirecTV has no ATSC tuners built into it. This adds 2 tuners, and it integrates the OTA signals into the guide so you can see what's coming up and record shows from the antenna. So you don't need this to pick up local HD channels, but it allows you to record them on your DirecTV DVR.
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anon @ Apr 30th 2008 3:54PM
Bryan and marc, TV's do have ATSC tuners in them now, but for the most part, they don't have DVR's in them. The latest DVR from DirecTV has no ATSC tuners built into it. This adds 2 tuners, and it integrates the OTA signals into the guide so you can see what's coming up and record shows from the antenna. So you don't need this to pick up local HD channels, but it allows you to record them on your DirecTV DVR.