I'm looking for a source of like ~100 UWB-only ones aiming for about 2~3 weeks of battery runtime on a pack of 2~3 AA batteries. Mostly depends on what voltage end the chips handle better: 2V low end, or 4.5V high end.

The aim is to keep track of where shared equipment is during the logistics phases of 39c3.

And, also, using the quite possibly wall-wart-piwered base station network to provide what's essentially rather precise indoor-GPS to users with sufficiently open FiRa hardware.