- Macbook A1181
- Windows 8.1 in Bootcamp with the latest patches
- All bootcamp drivers installed
- Keenetic Viva router with 2.4/5 GHz dual-band Wi-Fi, located in ~1m from the Macbook
The issue is that download/upload speed via Wi-Fi is very low in any app (~60kbps) and often interrupts. On the other hand, ethernet connection works great.
And the same Macbook works great with Wi-Fi when I boot macOS, but, unfortunately, I need Windows.
Other devices, like M1 Macbook Pro (late 2020), iPhones and lots of Android phones (even 2.4 GHz) work fine too, so it seems to be a driver issue.
Any ideas on how to fix it?