@CharLon Hi, to assist you efficiently, I've forwarded your case to the TP-Link support engineers, who will contact you with your registered email address later. Please pay attention to your email...

@Gordonclan Hi, here are the answers to your questions: 1. only one Ethernet port of the main powerline adapter needs to connect to the router 2. Yes, multiple powerline adapters/extenders can be...

@amine23 Hi, do you mean two powerline units or four powerline units in total? Actually multiple powerline units can work in the same network and only one powerline adapter needs to connect the...

@Julian_R Hi, you mean only power LED on the extender is on, all the other LEDs are off, right? is there any error message when you configure the extender? May I know if the 2.4G and 5G WiFi name are...

@Habeeba12345678 Have you ever reset the extender to factory defaults? and if there is still any problem, please let me know the model number, hardware version and LED status of your extender.

@rhktt Hi, even though you set fixed DFS channel, the AP will still switch to another non-DFS channel in case of a DFS event.