Dan, over the years there’ve been a number of threads that cover this. What you’re experiencing is a factor of a couple of issues, including Mosaic’s software architecture, but also your home network that your dCS kit is attached to.
I would suggest reading up on some of the previous threads on the subject, and then perhaps revise/update your ask.
Maybe start with the thread below, but there are others, usually related to “Mosaic” and “Lost Connection”, just search.