It will improve the jump range of any ship it is installed in by an amount depending on the size of the module (up to 10.5 ly for the maximal size 5) minus a tiny amount due to the additional weight.How do I do that? I assume it will improve the range of my Python?
There are several good videos on YouTube that will show you how to unlock it. It is a small adventure in itself. Might be an interesting break in all the mining.