@Brychance I worked with their developer from China on this, which started at 10pm EST for me. We spent a couple of hours on it. We never did resolve the problem. I don't think they will fix this...

@Tony Thank you Tony. Interestingly, the download speed is fine in router mode but not AP mode. Since the issue is in AP mode, QOS wouldn't be a factor because QOS is not enabled in AP mode. Also,...

@AB2000 TP-Link needs to fix this for the M9+ system. I suspect a lot of people don't have 1Gbps speed and not running into this issue, so there's not a broader complain about this. I tested this out...

@Tony if you work for TP-Link, how about taking a look at this and report it up to engineering.

@AB2000 I have the same issue and opened a case with Tech Support. My setup is fine in "Router Mode" but when I changed it to "AP Mode" my download speed reduced to half of what it should be. The...

So I did another quick test. In my current setup, I'm only using two of the three APs that came with the set. The third one is still in the box, and not being used. I took that one out of the box and...