@JacekZebrowski Hello, our engineer sent it to you about a week ago via email. Please check your inbox or junk box. Good day.

@Slendobeja I see, I totally understand and respect your decision. Hope that there will be an opportunity to work with you in the near future. Good day.

@VYip Thanks for your reply. Try to move them into the same room and take some time to test whether it works well. And you can disable power saving mode with the tpPLC utility. Below is the...

@katzen2balk What is the model number of your device? You can verify whether there is a reset button/hole, if so, you can hold it for 10s to reset it; otherwise, you can hold the pair button for 15s...

@Apascoa Hello, for your information, the TL-WPA4220KIT has the 100Mbps LAN ports, it can handle up to 100Mbps only. You can upgrade it to the powerline adapters with gigabit LAN ports, like...

@Dougleigh Thanks for your valued reply. May I know what is the model number of the main router and its firmware version? If possible, please show us a screenshot of the device information about the...