@7OKER Hello, Sorry for the late update, it is recommended to change WPA4220 Wi-Fi channel width to 40Mhz to get faster speed. Please test Wi-Fi speed on laptop as well as mobile phone, what are the...

@Chorlton Hello, Ground pin on PA411 is for lightning strikes and electrical malfunctions, rather than transmit power line signal, so it should not effect the powerline devices. But if only 1 certain...

@AlanG79 Hello, I do not think powerline devices have a learning cycle thing, maybe it was affected by some home appliances or powerline noise at that time.

@RoscoPColtrane Good day. Model TL-PA211 is only a Wired powerline adapter, it does not have Wi-Fi function. If you need a WI-Fi powerline extender, it is recommended to consider Model TL-WPA4220, "...

@L4nz Hello, I assume Windows update will find " newer" "driver which not specifically for certain chipset. The official driver is already the latest one specifically for this chipset. Here is a...

@screenname777 Hello, May I know was there power outage, or firmware update on this range extender? It is recommended to try a different wall socket, and factory reset RE: with extender powered, use...