The adapters do exactly what they want and also very good. I live in an apartment building Year 1975 accordingly old are the lines in the house. Connected and it worked flawlessly, and 200Mb upload 375Mb download itself with consumers on the internal socket is the data rate stable. Here, a good way from 35m cable must be bridged. The software I have installed, including. Never change a running system ... Have a FritzBox 7490 there you can also read the data rate, and turn off the LEDs, requires at.
All in all a great product at a reasonable price ...