Regular repeaters won't solve the Schlage issue, you need amplifying repeaters these are the ones I'm referencing. https://www.amazon.com/Aeotec-Range-Extender-Z-Wave-repeater/dp/B01M6CKJXC
Here is the thread that discusses the in depth resolving of the issue Adding Aeotec Range Extenders has made my BE469 and FE599 locks reliable
