@DustyMiller Yes, you understand it correctly.

@Goatboy You need to decide what is your objective. 1. If you want to extend Deco mesh using powerline adapters, you will need Deco compatible (supporting Deco Ethernet backhaul) powerline adapters...

@Peterb02 Main Deco has gigabit Ethernet port. hub2 should have gigabit Ethernet ports. So the answer is: yes. You also have another benefit of splitting the load between two systems: hub2 CPU will...

@Goatboy In unit name, AVXXXX means theoretical possible speed over powerline link. For example, AV1000 promises gigabit speed, but in theory. In practice, over average electrical wiring from and...

@Goatboy "Kit" means you are getting two powerline adapters. If you need three TL-PA7017 units, for example, you can buy one "TL-PA7017 KIT" and one individual "TL-PA7017." Also, you can buy three...

@Goatboy I would suggest either TP-Link AV1000 (TL-PA7017 KIT) or similar kit with pass-through power socket TP-Link AV1000 (TL-PA7017P KIT). There is also even faster TP-Link AV2000 (TL-PA9020P...