@mgroen The powerline adapter does not support power over ethernet. We need plug it into the wall sockets to power it up.

@martino FYI, all the TP-Link powerline adapters are compatible with each other. Cause the current device is AV500, you can refer to case 1 of this instruction to get some suggestions.

@it_sergio What are the model numbers of all the powerline adapters? We can use the tpPLC utility to manage them. You can reset them by holding the reset button for 10s and re-pair them with the...

@steveb_online The antenna radiation pattern is confidential which is not available for end users. While as an indoor range extender, the wifi coverage area of the RE650 is about 15-20meters, if you...

@Jakub_S 1. Try to disable the DHCP server and setup a static IP for the RE450. Please ensure that the static IP is in the same subnet of the main router. 2. If still the same, for the newly devices...

@Petr89 Are you able to access the extender from the same local network? What is the current network topology? Have you open the port for the extender on the main router's web UI? Try to use the IP...