@Kevin_Z My operating system is Windows 10 Home Basic. My wireless negotiation speed between 260-325 mbps. I have 130 mbps with my İphone 6 with 5 ghz mode. I bought this device yesterday. I try to...

As i wrote in title my download speed is abnormal slow. Normally i have 100-150 mbps but with this adapter i have just 2-3 mbps. Even i installed drivers i have still slow download speed. I tried to...