Excellent Extender!
Other reviewers have done a fantastic job of providing detailed performance measurements, so you should check them out. All networks have different characteristics based on hardware, distance, quality of cable (wired), obstacle density (wireless), etc.
I wish I was able to write one of my usual grand adventures for this review; Alas, it wasn't meant to be an adventure at all; On the contrary, but isn't this one of those products that you want to have as little to do with as possible and let it do its thing?
The only con I've found is there is no logout button for the administration web UI; I have to close my browser to free the session; Other than that, it does what I need it to do; My Android tablet will drop the connection when it transitions which probably has nothing to do with the RE200 at all.