However at a couple of points during the last week I have got super speed from the device on Three, running exactly the same config parameters as say for instance now.

Maximum wireless signal rate derived from IEEE 802.11 specifications. Actual data throughput and wireless coverage will vary and be lowered by network and environmental conditions, including network traffic volume, device limitations, and building construction. NETGEAR makes no representations or warranties about this product’s compatibility with future standards. You can expect improved network stability and a smoother user experience, ensuring uninterrupted connectivity even in challenging conditions. The 10% discount voucher is valid for one-time use on a single item, maximum savings of 100,- euro possible. In-Home Performance Mode: Boost WiFi coverage up to 1,000 sq. ft at home. Simply remove the battery & use the power adapter.The M6 Pro also can switch between networking modes automatically. When traveling, you can set it to rely purely on 5G mobile broadband, but when you’re indoors, you can put it to use either ‘Ethernet+Cellular’ or ‘Wi-Fi+Cellular.’ This tells the router to use your standard broadband connection when available – saving you money on your mobile broadband plan – and then switch to 5G if that’s not available. Actual battery life will vary depending on network and environmental conditions, devices connected, content streamed, device settings, and aging of the battery.

However as soon as I rebooted the router the next time (with the same config, nothing changed) and connecting with no real fluctuation in quality and mode to the Three 5G mast I am consistently getting speeds like this. (Still "5GSUB6") Looking at the device connection info from the admin portal, I am always connecting at "5GSUB6" to the Three mast which is near my house. I think this is the best 5G operational mode. / frequency Three supports at the moment. At least in my area. Intuitive Touch Screen Interface: Set up, manage, share, & monitor WiFi easily on the 2.8" LCD touch screen.Powered by the Qualcomm ® Snapdragon TM X65 5G Modem-RF System to deliver premium performance & groundbreaking speeds.