David-TP wrote @Pianist1 Hi, welcome to the community. Channel 145 is actually on 6665–6685MHz, which is part of the 6GHz. I wonder whether you might refer to channel 149 (band 4). If your T3U Plus...

Just bought the AC1300 Archer T3U Plus for a windows 10 machine. My Eero only does ch145 for 5gHz and i cant get this adapter to see this DFS channel. I there a fix?