I've had it for nearly 2 years now. Amazing adapter.
yup, amazing. got mine form amazon with the 5 and 9 db antena, my onbaord nic picks up 30 APs, 5db picks 50-60 APs, 9db picks up 80-90 APS.
weak signals showed ~20db improvement.
got it form y office wehre I barely get any signal
will test drive it next week ...