In some operational arenas, communication may be as simple as calling on a cell phone, or texting for help.

At the other extreme lies the problem of significant communications isolation, in which information can be passed sparingly, with systems who’s reliability remains problematic.

These videos demonstrate the use of some older communication systems, as a template for understanding the basics of these, and newer syststems.

Fundamentals of Basic Radio Communication for the Combat Medic 

Using AN/PRC-77

Transmit a 9-Line Medical Evacuation Message

Education and Training