I've an existing setup of 3 Deco M9 Plus spread around the house. I need to expand further and hence would like to know if I should buy another M9 Plus or a XE75. Also will there be any drop in overal

I have recently upgraded to the Archer T4U adapter because I gave the previous adapter to my relative. After I installed the driver and the WPS tool via Autorun.exe in the CD, I went to the Bluetooth