OK, I am home again. I am still having trouble with 4 devices, my Sengled hub for the lights, the 2 Kindle paperwhite ereaders and my Echo Show. None of these things will connect with the wifi....

Just purchased an AX3000 router and am having connectivity issues. A computer, a radio communications set and 2 TV sets are wired into the network and were working on the old router. But they do not...