Thanks for your answer. This is what I see when I look at the Gateway connection status:
Wireless Network (Wi-Fi 5 GHz): Active
Supported Protocols: A,N,AC
Security: WPA2-PSK (AES)
No of Clients connected: 1
It's the only device connected so I know it's the right one. When I connect my phone it goes to the 2.4 GHz. Maybe the laptop's USB port it what limits the speed.
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