I buy this tp-link to the base has captured the hots spot wifi, there is a + or-300m from my home and it captures well with a good Rate transferred between 35 and 150 mb / s by hours (traffic) with an average of 70db of points in my case. small and very easy housed can be attached to the back of the laptop is almost equiveau has potuoxun 3000m antenna I also possesses May bulkier.