[thadt]

Hey, that's a pretty slick package (and price point). I looked through bettergeiger.com and read the discussion about the difference between GM tubes vs scintillators, but never saw an indication of what material you're using. Would be useful information for those of us thinking of upgrading from an SBM-20.

[BetterGeiger]

I'm sorry to say that some of the sensor design details, including material and geometry, are not shared. That was a critical optimization process during the design phase (tricky balancing act between cost and performance) and I want to slow down any copy-cat devices. However in terms of performance I am pretty open and detailed about how the device actually behaves:

https://twitter.com/BetterGeiger/status/1475480971050901511

Another metric some people like is CPM/[uSv/hr] when exposed to Cs-137 (662 keV). That number is about 415, whereas cheapo Geigers can be as low as 10, and decent consumer-grade Geiger counters are usually around 120. This number gives a decent idea about relative X-ray/gamma sensitivity of those devices.