Wired connection to PA4020P and wireless connection to the main router cannot work simutaneously? When you cannot access internet wiring to PA4020P, what's the IP address obtained on the client?...

YES! TL-WPA4220KIT and TL-PA4020P are compatible with each other indeed.

Daveesh1 wrote I have the same issue keeps crashing just under normal web browsing. Spoke to Tp tech and they said you can only have a max of 8 Devices connected to it.. This can't be true can it.......

Ringoko wrote Hi, I'm looking to replace my ISPs router (the BT Home Hub 5), but I would like to know if the router management can tell you whether your line is interleaved or fastpath? I'm a little...

Did you upgrade the latest firmware? It looks like the DLNA compatibility issue. As I know, new DLNA module will be updated in some of TP-LINK models but not sure if W9980 is in one of them.

Your C5 is V1? C5 V2's web interface is similar to C8. You can check the user guide. http://www.tp-link.com/resources/document/Archer_C5_V2_UG.pdf