@hreich yes, basically all their Homeplug AV powerline adapters are compatible with each other. I would recommend TL-WPA4220 which is a wireless powerline adaper.

@trampolinefrog Hi, I guess it would be related to the power-saving mode: How to enable/disable power saving mode on powerline adapters

@Battersea.-1955 Hi, yes, you could set your own wifi name and password on the APP.

@popsynic I think this is a device that is connected to the TP extender 2.4ghz. Now you have the MAC address and IP address, you could check which device it is. I bet it is very likely the device...

@yay77 It is very likely the USB port on VR600 is broken. you can test whether it could charge the smartphone. if still not, it is time to check the warranty.

@alex_lula1 Have you checked on the 2.4ghz clients whether they obtain the correct IP address from Archer C20? if yes, the gateway on devices should be 192.168.0.1. Then try to ping 192.168.0.1 and...