thank you for the suggestion the TP-Link N300 worked great and the Mysa is no longer losing wifi connection.

@Alexandre. Thanks for this. I'm in Canada and that router is which is cheaper then the wifi extender I was looking at

I need to increase range of WiFi from a Deco X50-POE to reach one smart thermostat. Because its one device I would like low cost but also want reliable wife strength for this one device. For example...