@Ozzo76 Check if you have ECO mode in your Deco app, if you do- it has WiFi schedule: Deco ECO Mode 1.0

@MattDS Devices that have both WiFi and Ethernet, such as PS5, have two different MAC addresses: for wireless and for wired link. Depending on how they connect, they will appear as different devices...

@sclg Make sure you run Deco mesh in Access Point mode. See: Switching a Deco to Access Point (AP) Mode

@debs2026 If you will have to use powerline adapters, AX3000 in the Summerhouse should do just fine. If you find you don't need powerline adapters, after doing test I suggested, arrange your Deco...

@debs2026 I would suggest doing it the following way: Take one of Satellite Deco and bring it to Summerhouse. Power it on there and see if it can establish link to Deco mesh in the house and if...

@George252525 For what you have to work, configure Deco mesh to run in Access Point mode: https://community.tp-link.com/en/home/kb/detail/334