How can firefighters signal for help if they are lost?

Using a radio is the most effective way for firefighters to signal for help if they are lost. Radios are designed for clear communication over long distances, allowing firefighters to convey their situation and exact location to their team or command center. This method ensures that the call for assistance is heard by the right personnel who can respond quickly and effectively.

Also, radios often incorporate features such as emergency channels, which can prioritize distress calls, making it easier to get immediate help. In a chaotic or noisy environment, where other methods of signaling may not be effective, relying on the radio enhances the chances of a timely rescue.

While yelling, using a flashlight, or waving arms can draw attention, these methods have significant limitations. They might not achieve the intended reach or clarity, especially in loud environments or where visibility is compromised.