@fwg As you can see, the ethernet port is 100Mbps of the main adapter. Interface TL-WPA4220: 2× 10/100 Mbps Ethernet Port TL-PA4010: 1× 10/100 Mbps Ethernet Port The AV600 is the highest powerline...

@BozzerHogshead Hi, the TL-PA7020 does not support wireless function, instead, the model starts with TL-WPA supports wireless function. You can buy a separate powerline extender with wifi function to...

@SamanSarKo From the firmware you mentioned, it is not the latest one, instead, the 190418 is; https://www.tp-link.com/support/download/tl-wa855re/#Firmware So please upgrade it first; Then you can...

@Yakub Do you mean that the internet is unstable, it will lose connection now and then? If so, please give me the below details so that we can do more troubleshooting. a. What's the light status of...

@Mark_Basil What is the model number of the extender? What is the light status of the extender as well? With your computer connected to the extender, can you access internet from it? Thanks in...

@Zsolesz What is the light status of the TL-WA860RE? Have you ever created a different wifi network name for the extender? With your computer connected to the extender by wired cable, please verify...