Lots of good information here: https://web.archive.org/web/20240520174613/https://www.rfidreadernews.com/wp-content/uploads/2018/10/FEIG_Casino_WP_Final.pdf

And an interesting video from when they first introduced it: https://www.youtube.com/watch?v=DRBBLkBoipk

But one thing that is not detailed is how FAR the detection happens away from the table. Can they be tracked as you walk around? As you pass through an exit?