Question
What is meant by “repeater offset”?
Answer Options
- A) The difference between a repeater’s transmit and receive frequencies
- B) The repeater has a time delay to prevent interference
- C) The repeater station identification is done on a separate frequency
- D) The number of simultaneous transmit frequencies used by a repeater
Correct Answer: A
Explanation
The repeater offset is the standard, necessary difference between a repeater’s transmitting and receiving frequencies. This is often referred to as the input and output frequencies.
By using two different frequencies, the repeater avoids a situation where its own strong transmitted signal completely overwhelms or blocks out the weaker incoming signals (desensitization). This frequency separation is what allows the repeater’s receiver and transmitter to operate at the same time (duplex operation).
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