Which statement correctly describes a repeater's impact on communication range?

Which statement correctly describes a repeater's impact on communication range?

• A. To store emergency calls for later review
• B. To convert analog signals to digital
• C. To amplify the radio signal to extend coverage
• D. To provide a backup power source

Answer: (C)

A repeater extends communication range by receiving a weak signal, amplifying it, and retransmitting it at higher power (often on a different output frequency). Placed at an elevated location, it can “see” further and over obstacles, so radios that are out of direct range can still communicate through the repeater. This is why coverage is expanded: the repeater effectively bridges the gap between distant radios. Storing emergency calls is about logging or recording communications, not extending how far signals travel. Converting analog signals to digital is a signal processing task related to how the audio is encoded, not how far it can reach. Providing backup power helps maintain operation during outages but doesn’t inherently increase the reach of the radio signals.

A repeater extends communication range by receiving a weak signal, amplifying it, and retransmitting it at higher power (often on a different output frequency). Placed at an elevated location, it can “see” further and over obstacles, so radios that are out of direct range can still communicate through the repeater. This is why coverage is expanded: the repeater effectively bridges the gap between distant radios.

Storing emergency calls is about logging or recording communications, not extending how far signals travel. Converting analog signals to digital is a signal processing task related to how the audio is encoded, not how far it can reach. Providing backup power helps maintain operation during outages but doesn’t inherently increase the reach of the radio signals.