I bought to my cable router in the living room with my Fritz box in the study to combine this set. A little suspect with respect. Performance of D-Lan me was that already. The first impression should confirm ... I have plugged the device into a multiple power strip and got only 15 Mbit / s transfer rate for the time being. Who can read the Quick Start Guide is a clear advantage :-) Without power strip I have in two adjoining rooms now 150MBit / s transfer rate. From the promise of 500Mbit / s which is a good distance away so I subtract a star. For me however, these are sufficient - especially as these are stable available.