These are a priori CPL taken a great product that act as a network for much cheaper and without work. BUT they work in installments, according to the intensities encountered on the electricity grid, a light bulb on the said network, or other remained unexplained reason. Anyway, one day we 100 Megabytes (of fiber) on one of the posts equipped, another day nothing, then another day on a two CPL jack works with 100 Mega ...
Good product, so when it works, random electrical current whims. Very irritating!