@Mizio Hello, have you ever tried to ping the websites which load slowly? Try to change the DNS of the Deco to 8.8.8.8 and verify whether it works. Besides, you can connect the main Deco to the modem...

@Denco Hello, the TL-PA4010Pkit has the 100Mbps LAN port, the speed from TL-PA4010Pkit won't be higher than 100Mbps; while cause the current speed is 36.11Mbps only, almost 10% of the powerline rate....

@Deekybhoy1888 Hello, what is the led status of the powerline adapters? Have you ever setup same network names for these powerline adapters? Please ensure that the firmware of the powerline adapters...

@Deekybhoy1888 Hello, what is the led status of the powerline adapters? Have you ever setup same network names for these powerline adapters? Please ensure that the firmware of the powerline adapters...

@Ashley1 Hello, it is suggested to locate the powerlie adapter sunder the same power circuit to ensure the performance. So it is not suggested to locate a new powerline adapter on a different circuit...

@orvano Hello, what is the led status of the TL-WA4220KIT when you lost connection? Can you get internet from the main router at the same time？ Try to change another sockets to plug the powerline...