Caution:
It has the driver Broadcom 802.11ac Version: 6.30.223.170 be installed. The easiest way to take the "Driver Booster" from IOBIT.de finds him. Of course, all drivers install the drivers Booster finds. No problems with me. (64bit Win8.1 At least not forget the updates of Windows to install in advance in any case it would have to operate in 1300 Kbits / sec I set channel 44 signal:.!.. -60 To -65 DPM Several times I have tried it..
(Win8.1 I have saved as Drive Image. Available are till one month distance 3 piece Drive Image)