Wireless AC adapter through the Installierungs CD easy in operation to nehmen.Zum start shortly in English, but the entire installation process is then performed in German. The stick is relatively small compared to others. Use it on a Sony Vaio notebook Telekom router Speedport 724V. Works so far without any problems. Data transfer rates of up to 350 Mbps to me at the time / s. By the way, the USB 2.0 connection, only a data rate of max. 480 Mbit / s! be transmitted. So do not be guided by the advertising astray .... to 1.3 Gbit / s ....... Mfg ..................... .........