To watch DSTV in two or three different rooms decoders are linked together and this link is called extra view. Two types of extra view environments currently exists
Two Decoder in Extra view
For this setup any two compatible decoders can be linked to two viewing environments.
Three Decoders linked in Extra view
For this setup The Primary Decoder must be an Explora decoder whereas the other two might either be Explora Decoders or HD Decoders which are compatible for his type of setup.