@lambuzz Hi, Regarding your first point. Have you seen information on the product itself or on TP-Link's website that points to the Archer AX55 V1 supporting MU-MIMO? Regarding your second point....

@NastroszonyPeli Hi, Does the T4U Plus disconnect silently or can you hear the sound that Windows makes whenever an USB device is plugged in or removed? Anyway, if you decided to return the T4U Plus...

@PerkyRascals Hi, If the Ethernet LED doesn't turn on permanently on the TL-PA7017P that is located near the owl box, then there must be a problem with the Ethernet connection between that TL-PA7017P...

@dikinak Hi, There has been a similar thread about such an issue. https://community.tp-link.com/en/home/forum/topic/732176 Unfortunately, nobody posted a final conclusion whether that behavior is...

@derzocker0202 So, you are saying other Wi-Fi devices you have connect to the same 2.4 GHz Wi-Fi network with 300 Mbps link speed at the same time that the TL-WN823N only shows a link speed of 144...

@Veritas1980 Yes. Just download the file from the last link that I posted.