where did you buy the device? It might be inventory transshipment

I think TP-Link will do that

Hey mate, Who is your internet service provider, how many devices need to connect to the VR900? Only wifi have problem or both wifi and hardwired connection will drop internet? If only wireless...

Hey man, on your Mac computer ,did you setup static IP? Please make sure it's obtain an IP address automatically.

How did you test the speed? Go to speedtest.net, I have serveral times the speedtest is incorrect, but if I download the speedtest software, it can give me the correct speed,. make sure only one...

it seems that the device is defective, you can try to contact their support team for a Replacement