Hi, the T6E and the T9E is not support MU-MIMO function, but they are no problem to work with the MU-MIMO router, when they are working, the MU-MIMO function is not take effect.

Hi, What's the version of your T2U adapter? EU or US version? What's the hardware version of the T2U? https://www.tp-link.com/en/faq-46.html The 5G band include band 1-band 4, have you tried change...

You can try to plug the power adapter in different socket, use different usb cable and different power adapter to test whether it's the power adapter or USB cable's issue. If not, it's suggested to...

Hi, For your issue, you can try to reset the TL-WA801ND, and then reconfigure it, and check whether the speed will be better. If you still have issue, please help to confirm the following...

For the kasa device, it can be the action only currently, can't be a trigger when use the IFTTT function.

Hi, The RE200's 5G wireless channel can't be changed even though the RE is not connectd to the router via 5G. Normally, the RE will choose the best 5G channel to extender the signal.