A Sentinal System is a portable solution for firefighters that provides real‐time data on deployed firefighter location, health and equipment status, and the environmental conditions inside the burning structure.
An AED is an automated, external defibrillator. You’ll see these around tourist attractions, ski resorts, golf course, etc. They are easy to use and the idea is that a person requiring CPR will have a better chance of survival if the AED monitors the victims condition and decides what actions are required.
I chose not to spell out the acronyms as I thought it sounded stilted, and I hoped the reader would understand the concept without it being explained.