@dwkns The obvious choice would be "regular" Deco X80: https://www.tp-link.com/my/home-networking/deco/deco-x80/ They come in sets of 1, 2 and 3 units.

@chrislot You will not need to reconfigure Deco. Think about Deco as your household main WiFi router. When you connect standalone Access Point to your WiFi router, you do not need to reconfigure main...

@chrislot Unplug Ethernet backhaul cable from Main Deco, connect router to it, configure router in Access Point mode and verify it works that way. When it does, connect Ethernet backhaul cable to one...

@chrislot If you are willing to spend under $20 US for the temporary solution, here it is: 1. Buy very inexpensive 2.4GHz WiFi router, such as TP-Link N300 WiFi Router (TL-WR841N); 2. Connect it to...

@MrChance I think I also saw this recommendation for Roomba vacuum, and I wonder why manufacturers put it in their documentation. It is only relevant for networking guru that deploys commercial grade...

@Rok088 This network configuration will work just fine.