I needed to connect a home computer that is located in a space "behind" a refrigerator--wireless (b/g, n) just won't go there through all that metal. These modules work well, with no real setup required. Connection speed is adequate for almost all uses except some high-bandwidth video. And the cost was well below alternatives. The connection does drop out occasionally, most likely due to interference from something else in the wiring, but my previous attempt with another manufacturer's modules wouldn't connect at all. Four stars only because of the occasional drop-outs.