Up until today, the router worked great, have had it for about 8 months. The firmware nor settings had been touched for months, but suddenly my 5Ghz band started acting weak. I can get my full 380Mbps near the router but just 10ft and 1 floor away, and the speeds now range between 20Mbps and 150Mbps where they'd previously been at around 330-360Mbps. Tested it on multiple devices and performed a factory reset, didn't help. Any idea why this has suddenly happened? Thanks.
