Two excellent smartphones from Cyrus, company specialized in rugged devices.
The small CM17 XA is brilliant where the dimensions are very important, and the physical keyboard simplify numeric data entry.
The CS22 XA is more similar to a commercial smartphone, but have specifications for frontline worker.
Don’t be swayed that they don’t have the latest Android versions, they have everything you need for business use.
Both devices have the battery removable and a very good high audio to use in PTT and in emergency situations.
In addition, Cyrus smartphones have all the accessories (holsters, charging stations, wireless charging) for professional use.