How accurate are Estimote iBeacons?

Hardware for my next project has started to arrive, and last week a preview kit of Estimote iBeacons landed on my doorstep. Packed like a fine box of Belgium chocolates, the Polish made iBeacons looked delicious.


This is a companion discussion topic for the original entry at https://reprage.com/post/How-accurate-are-estimote-ibeacons