As I know, if they tested as compatible, it will listed on their website. http://www.tp-link.com/en/products/?categoryid=202&mode=complist If i were you, i will take the card to the shop and ask for...

Hi Justin, if IP addresses of your AP and RE are in the same subnet, you should try to ping root AP's IP on RE's page. Besides, I am wondering if wireless MAC filtering is enabled on your root AP.

You may try a different wall socket. If it won't work either, I think it is defective with power adapter or device itself.

If PLC lights on three device are on, replace your xbox with a PC for a try.

Post model no. of your USB modem. If your card is identified, go to Network/3G, go to advanced setting, and check your network parameters, APN, dail no., username and password if there is given by...

First, TL-WA901ND is not a router. Second, LAN port on it can be plugged in RJ45 network cable.