@Kevin_Z , Thanks for your initial feedback, it was good to try it that way to be sure. As for your professional support, they only asked me if I had the latest firmware and reset the adapters......

@Kevin_Z , Thank you for your feedback, and it seems your reply is the one that seems to match the measurements, the extra "sensitiveness" of the AV1200/1300 adapters to changes in the electrical...

Hi @jpasan, Yes, the 8x series to me has some issues. After a couple of hours of testing (different computers, sockets, adapters, etc...) I finally identified a pattern in my case. The AV500 adapter...

@Mario_PT Some additional information after additional tests. Device-F19B is the adater connected directly to the router. AV500 results: AV 1200 results (all else the same !):

@The Vogon Sorry to bring this thread back from the dead, but I am having also a slower speed from my AV1200 adapter when replacing a previous AV500 adapter. The thing is, in the same house, same...

Hi everyone, my first post here ! I am having an issue with replacing a TL-PA4020P (AV500) adapter with a supposedly better TL-PA8030P (AV1200) adapter resulted in much slower speeds (from ~40Mbps to...