Why have they become so horrible? I have had the same setup, equiptment and isp's for a few years. AX21 and a re315 via Spectrum and a pace5268a and re315 via ATT. About 63 devices. Suddenly for about

I have two RE315's. The one further away works like a champ. the one in between has recently started losing Internet. I have relocated, reinstalled, and done all I can do. It just does not keep a sign