@Riley_S any response to this?

@Riley_S New hub made no difference after migrating devices. All buttons still between -118 and -125 RSSI interference. I will provide screenshots and further information.

@Riley_S Ok. I've ordered a new hub to see if that resolves the issue. Failing that I will take screenshots of each buttons RSSI and location to the hub and update. I have a deco mesh router set up,...

In addition to this I've noticed that the RSSI only registers if the button has recently been pressed, so upon further investigation I can see all my buttons have bad RSSI regardless of where the hub...

@Wayne-TP I've done all this and posted another forum update - https://community.tp-link.com/en/smart-home/forum/topic/858182?page=1