DRIVER IS NATIVE !!!!
just plug it
it's a rt73 based device so it's fully supported by bt
just need to upgrade driver if you want capture wpa handshakes.......
if you are trying to install a new driver....
i bet you forgot to unload the previous module before
down your card
modprobe -r rt73
make && make install && modprobe rt73
ifconfig rausb0 up