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Question No 1

An RF signal sometimes bends as it passes through some material other than free space. What is the term that describes this behavior?

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Question No 2

What can an impedance mismatch in the RF cables and connectors cause?

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Question No 3

What factor does not influence the distance at which an RF signal can be effectively received?

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Question No 4

A WLAN transmitter that emits a 50 mW signal is connected to a cable with 3 dB loss. If the cable is connected to an antenna with 9dBi gain, what is the EIRP at the antenna element?

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Question No 5

In a long-distance RF link, what statement about Fade Margin is true?

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A Fade Margin is unnecessary on a long-distance RF link if more than 80% of the first Fresnel zone is clear of obstructions.

The Fade Margin is a measurement of signal loss through free space and is a function of frequency and distance.

Fade Margin is an additional pad of signal strength designed into the RF system to compensate for unpredictable signal fading.

The Fade Margin of a long-distance radio link should be equivalent to the receiver’s low noise filter gain.

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