@Dennis123 I advise you to invest in a TP-Link mesh system, they sell a 3 device kit and it is called TP-Link Deco M4, it should be able to give you Wifi coverage for your entire setup. Powerline...

@AlanH according to this thread, this should work: https://community.tp-link.com/en/home/forum/topic/81141

@admjral3 If you can still see the powerline adapters using the tpPLC utility, this may work, although, I am surprised that the V1 HW accepted the V1.2 firmware. If you cannot re-flash the FW using...

@Tommy01 You can basically use any TP-Link power line AV600 or better powerline adapter to extend your system. I also advise to update the firmware on all your powerline devices to the latest HW...

@Compact First of all, update all your powerline adapters to the latest available firmware for the hardware version you own using the tp link utility for your PC. Then use this utility to turn off...

@Compact First of all, update all your powerline adapters to the latest available firmware for the hardware version you own using the tp link utility for your PC. Then use this utility to turn off...