I purchased a TL-PA17 Kit 1 -Port Gigabit Powere Line starter kit Data transfer speed up to 1000mbps for HD/3D/4k. I am trying to source an additional one or two adapters but I cannot find them on Ama

I have the kit installed upstairs where my hub is and the second powerline adapter is on the same electrical circuit that runs around the house upstairs. I have placed this in the bedroom over the lou