I have read others online state the Atheros AR965x only supports 2.4GHz at 72.2Mbps, I can't confirm either way since I don't own said wireless adapter and I can't find detailed chipset information...

Ensure your wireless clients are using the latest available wireless drivers. Post your clients wireless adapters model including revision if you're unsure how to check for newer wireless drivers....

There is a WPS vulnerability but I'm unsure if the C7's wireless is affected. The C7 uses recent hardware so probably little chance. Sounds like a firmware issue and it may be some time before...

RedBaron1701 wrote I am also experiencing this issue with my Archer C2. To add to the information I have seen this problem on my powerline adapters TL-PA2010 where I can't adjust the shutdown/reduce...

The TD-W8901G may be getting overloaded especially if one or both clients are using p2p software like utorrent. Disabling UPnP can decrease the chance of p2p and other heavy connection overloading...

Wireless is probably faulty, either return for place of purchase for testing/replacement or phone TP-LINK support and ask support and then an RMA if support is unable to help. RMA help when you are...