Ultra simple installation (plug into Yaka the socket, insert the network cable into the connector and to encode the access code on WiFi devices to be connected ...) and ... strong signal! No more holes in the WiFi coverage in the home. It works even better than the (triple) PLC fully wired Devolo kit. I feared only one adapter (Starter kit) is inadequate, especially PCQ I 4 "covered" levels to cover. Unfounded fear! No need for a second unit. The signal is so powerful that it covers both area and height above the 3 levels of the house (including the last 2 were previously completely blank Wifi signal and the second level very poorly served by the surface of the signal router, installed at ground floor). Even at the top, at the bottom of the chamber, I have 4 bars! And no complaints either about the bandwidth. Forget the 200 and the 300, skip to 500. Congratulations Devolo!