@Lotheap Unfortunately I spoke too soon. A few days later, my wifi speeds dropped to an all time low of 2-3MB/s over the LAN. I'd had a windows update inbetween, but checking device manager, it had...

Ok.. just incase anyone else reads this in the future, I managed to fix the problem. To clarify... my problem was that my t9uh would often drop to only 128mb/s (16MB/s) to 192mb/s when copying files...

Yet again... same thing happened today. Found a driver that appeared to work, and 'survived' several reboots. Immediately got 80-90 MB/s whilst copying files across the LAN. 3 days later.. even this...

I've been using a variety of drivers, from TP LINK, Realtek, and the 'unofficial' one for my T9UH and all have the same problem. Regardless of which driver I use, I can always get a solid 1.3GB...