I do not know about blinking, it depends on hardware.
Regarding the lags, etc it can be fixed by
sudo tee /etc/modprobe.d/ath9k.conf <<< "options ath9k btcoex_enable=1"
I do not know about blinking, it depends on hardware.
Regarding the lags, etc it can be fixed by
sudo tee /etc/modprobe. d/ath9k. conf <<< "options ath9k btcoex_enable=1"