@woozle still the same USB 2.0 - I tried on 2 laptops and 1 PC. I read that a lot of people have the same issue. TP-Link should fix the drivers or something. I will return it under warranty because...

@Mistazet Ok there is some problem with this Adapter, I tried to connect to wifi with my laptop (with laptop internal wifi card) and results is 518Mbps, with T4U Plus maximum 300Mbps Doesn't matter...

@woozle I already did it yesterday (driver update) - I will check this card with my laptop tomorrow next to router

@woozle It is showing USB 2.1 (2.0) instead of 3.0 - I tried different USB 3.0 ports and still the same

Hi, I've got some issue with this Wireless USB Adapter. In the same spot (one next to another) my Iphone have better results on Speedtest than my Archer T4U Plus (the same Wifi) Speedtest results for...