Review on Edimax EW-7822UTC: High-Speed AC1200 Wi-Fi USB3.0 Adapter for PC/Laptop/Desktop, Windows 7/8/8.1/10 & Mac OS 10.9-10.15 by James Mayfield

After updating Windows 10 1903 I noticed a sharp drop in WiFi speed. I used to be able to get over 200Mbps on download, but now I'm limited to 54-64Mbps and haven't made any changes to my network at all. With a different WLAN antenna I get my full speeds again. I've done my best to tweak some of the driver options, but the modes presented are rather cryptic and not overly intuitive. From time to time I find a setting that gives me full WiFi speed, but as soon as my computer goes to sleep or restarts, those settings go away. I think there is some kind of WiFi mode switching when switching between 2.4. GHz and 5GHz networks but the driver doesn't switch properly and my speed suffers. I'll admit it worked for a while and given its size I was quite happy with its capabilities, but now it's a chore. with this antenna, and it acts as a backup antenna. It's really a shame.