This article is from the TeleVision Receive Only Satellite-TV FAQ, by TVRO Hobbyists drlev@hotmail.com with numerous contributions by others.
Absolutely, yes! For those that haven't yet heard, High
Definition Television, or HDTV, is the next generation television
broadcasting standard meant to replace the 60 year old NTSC
low-definition standard in North America. HDTV has a higher
screen resolution than NTSC and uses a wide-screen format with a
16:9 aspect ratio instead of NTSC's 4:3 aspect ratio.
The big push for HDTV adoption has been by the National
Association of Broadcasters, while only a few cable-type
services, mainly HBO and Showtime, have been early adopters of
HDTV.
The HDD200 is the U.S. model of the 4DTV HDTV add-on. The HDD201
is the Canadian model. They are exactly the same box, they just
have different model numbers. The HDD only works with 4DTV or
Digicipher equipment (as opposed to VideoCipher II+) as only
digital signals can handle the higher data rates needed for HDTV.
Besides, HDTV is inherently a digital technology and cannot exist
as an analog signal.
 
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