i am trying to setup the awus050nh usb card in bt4 final, kernel (in vm) using this guide:

hxxp://sudonetworks.com/wiki/index.php?title=ALFA_AWUS050NH_Driver_Update_for_B T4

all has went well until the part where i actually need to enable it in iw.

when i put in the command:
 iw dev wmaster0 interface add wlan1 type managed
iw returns the error:
command failed: No such device (-19)
if additional info is need please let me know
any help appreciated, thanks in advance.