@IanVerar The Deco can work with the TP-Link powerline adapters together, but not the mesh network. It is suggested to connect them like modem--main Deco -- PLC/slave Decos. May it help.

@TP-AC2600-RE650 What is the led status of the RE650? How far away between the router and the RE650? Please ensure that the RE650 can get a good signal from the main router from which it is located...

@Mathan Hello, the port limitation is fixed, cannot be changed. The actual wireless speed is limited by the port limitation when it works in regular router mode, while it is still affected by the...

@Maxima As far as I know, the system up time has been cancelled on the new products; and it won't affect the performance. If you do need it, you can degrade the firmware; while I think it is not a...

@Alberto66 Hello Alberto, the Archer VR900 has the gigabit WAN/LAN ports, theoretically, it can handle gigabit connection. https://www.tp-link.com/support/download/archer-vr900/#specifications May I...

@Maxima I see, thanks for your reply. There are some routers which support IPsec VPN, like Archer C3200 and some business level router, like TL-R600VPN. May it help.