Fire Service Communications Practice Test

Where is a repeater commonly located within a public safety radio system?

To amplify the radio signal to extend coverage To store emergency calls for later review To convert analog signals to digital To provide a backup power source

Correct Answer:

To amplify the radio signal to extend coverage

Explanation:

Repeaters extend radio coverage by receiving a signal, amplifying it, and retransmitting on a separate frequency, usually from a high or elevated location to maximize line-of-sight over a large area. That placement—on a hill, tower, or tall building—helps overcome terrain and urban obstructions so more units can communicate reliably. This is why amplifying the signal to extend coverage is the best description of a repeater’s role. Storing emergency calls happens in recording or CAD systems, not the repeater. Converting analog signals to digital is handled by codec or digital communication infrastructure, not the repeater. Providing backup power is part of overall system reliability, but it doesn’t define the repeater’s primary function of extending coverage.

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