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I have a 20mb/s wifi connection and it works properly unless I connect my bluetooth speaker. when I do that the wifi connection slows down and poorly work. I've already tryed this solution and this other one but none of that worked. I'm running a Ubuntu 16.04 on a Dell Inspiron 14300.

The outputs for lspci -knn | grep Net -A2 are:

06:00.0 Network controller [0280]: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter [168c:0036] (rev 01)
Subsystem: Dell QCA9565 / AR9565 Wireless Network Adapter [1028:020c]
Kernel driver in use: ath9k
Kernel modules: ath9k

And also, the outputs for lsusb are:

Bus 001 Device 006: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 007: ID 0cf3:0036 Atheros Communications, Inc. 
Bus 001 Device 004: ID 0bda:5756 Realtek Semiconductor Corp. 
Bus 001 Device 003: ID 062a:4102 Creative Labs 
Bus 001 Device 002: ID 8087:8000 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

I don't know what else I can do to fix it.

aguiarroney
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1 Answers1

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You can enable BT coexistence in the ath9k module.

Run in a terminal

sudo tee /etc/modprobe.d/ath9k.conf <<< "options ath9k btcoex_enable=1"

and reboot.

This helps in most cases. The ath9k BT coex algorithm is good. It is a shame that it isn't enabled by default yet.

Pilot6
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