Thanks @Solla-topee ! Here's the few things i did. Changed Channel wdith to 80Hz, rebooted the WiFi Router Installed the drivers you provided, rebooted the System Tested with 4 different USB 2.0 and...

bumping this up - any suggestions, please?

I am getting really low bandwidth speeds on my "TP-Link Archer T3U Plus AC1300", connected to my gaming PC. My speed as tested is usually between 60-80Mbps, and very rarely hits 90Mbps, where as...