This article is from the Satellite TV FAQ, by Gary Bourgois email@example.com with numerous contributions by others.
There are many receivers available by a number of manufacturers,
both new and used. The receiver takes the signal from the LNB
and produces a TV picture from the wideband FM video, and also
allows you to tune SUBCARRIER audio, which can provide many
different audio only services such as MUSIC and TALK shows and
even DATA TEXT reception. Newer receivers work with the standard
950-1450 mhz block that comes out of a standard LNB. Older ones
use a direct 70 MHZ feed and have an LNA (low noise amplifier) and
downconvertor at the dish. If you are on a budget, one of these
older type receivers might be a good place to start, though most
folks today use the more modern technology.
Your receiver may also have a descrambler built in for decoding
PAY services. This type of receiver is called an IRD or
Integrated Receiver Descrambler. You need a descrambler for
services like HBO and regular CABLE-TV type services (to be