Ten things you didn't know about RF.

Question 1 of 10

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A portable antenna has a gain of between 0 and -9dBi

Select one of the following:

  • True
  • False

Question 2 of 10

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A repeater installed on top of a building provides coverage to mobile radio users for about 100km. The power on this repeater is set at 25W. Increasing the power to 50W will increase the coverage for these users.

Select one of the following:

  • True
  • False

Question 3 of 10

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Using a duplexer will help filter out inference on a high-site?

Select one of the following:

  • True
  • False

Question 4 of 10

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VHF will always provide better coverage than UHF?

Select one of the following:

  • True
  • False

Question 5 of 10

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A new Motorola two-way radio does not require alignment.

Select one of the following:

  • True
  • False

Question 6 of 10

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An antenna which has 9dBi gain is better than a similar antenna which has 6dBd gain.

Select one of the following:

  • True
  • False

Question 7 of 10

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Installing a repeater on top of a mountain or building does not always provide the best coverage?

Select one of the following:

  • True
  • False

Question 8 of 10

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Adding PL will not solve interference problems on a repeater which uses carrier squelch.

Select one of the following:

  • True
  • False

Question 9 of 10

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It is okay to use nickel-plated nuts and bolts on an Aluminium mast.

Select one of the following:

  • True
  • False

Question 10 of 10

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You have a site with four repeaters in the same frequency band. It is better to use separate antennas and duplexers since the losses will be minimal, and the costs low, when compared to other options.

Select one of the following:

  • True
  • False
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Ten things you didn't know about RF.

Wayne Holmes
Quiz by , created over 2 years ago

Quiz on Ten things you didn't know about RF., created by Wayne Holmes on 31/07/2014.

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Wayne Holmes
Created by Wayne Holmes over 2 years ago
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