@Jura338 Hey Jura Hopefully you got this sorted ok? If not here is a link to the v2 downloads for your AP https://www.tp-link.com/uk/support/download/tl-wa801nd/v2/#Firmware

@Camege Hey John Happy new year to you, from what you describe it sounds all to familiar! I constantly have customers reporting SkyQ not working on wireless be that connected to extenders, directly...

@Pierre2020 Hey Most powerline adaptors fall into 2x categories AC1 or AC2 these are standards for interoperabilty. The kit you have is AC (aka AC1), they should be compatible with AC1/2 from other...

@JEd Did you select the WAN connection type as SKY MER? Sky are strange and only support MER connections, they dont work with PPPoE etc.. Also when asked for a username / password try this. It should...

Glad to be of help and enjoy the Deco.. they are good devices :)

@MacPhly Hey My thoughts are as you are connected via LAN to one of the DECO nodes, the backhaul to the main node where the ISP router is attached is over the WiFi mesh, likely the 5ghz channel....