Hi, The current TL-WPA4220 work properly with all other devices means that the TL-WPA4220KIT should be working properly; We will do further analysis and try to fix it. From the network topology...

Hi, We cannot block port 53 otherwise there will be no internet access anymore. All the DNS packets will access through WAN IP and the port 53, if we block it, all the DNS request will be blocked, no...

Hi, What is the light status of 850RE when you lost connection? And how far away between the extender and main router？ Have you setup different wifi name for it? Besides, it is suggested to...

Hi, It is for wireless mac filtering. May I know why do you want to mac filter on lan access? If you want to block some wired device, you can use parental control to do that. You can refer to page 55...

It will still work, even though the signal might be affected due to the missing antenna.

Hi, FYI, all the TP-Link powerline adapters are compatible with each other. You can add another powerline adapter into the existing network. While cause the current one is TL-PA251 which is a little...