The radio used by a fire officer on the fire ground is a _____.

The radio used by a fire officer on the fire ground is a portable radio. This type of radio is designed for communication in the field, allowing fire personnel to maintain contact with each other and command while they are mobile, even in situations where they might be far from their vehicle or base. Portable radios are robust and built for use in demanding environments, featuring clear audio quality, durability, and battery life suitable for extended operations.

In contrast, a base radio is typically stationary and located at the fire station or command post, serving as a hub for communication. A mobile radio is installed in a vehicle and provides similar functionality to a portable radio but is reliant on the vehicle's power source and is less convenient for personal carry. Satellite radios, while they can provide communication over longer distances and in remote areas, are not typically used at the scene of a fire for day-to-day operations due to their complexity and the specific needs of immediate on-site communication.