Which statement best describes the Yagi antenna's characteristics?

Which statement best describes the Yagi antenna's characteristics?

• A. High gain with complex deployment.
• B. Capable of simple and deployable design.
• C. Limited bandwidth but omnidirectional.
• D. Requires circular polarization.

Answer: (B)

A Yagi-Uda antenna is built with a driven element plus a reflector and one or more directors arranged in line, which creates a focused radiation pattern with high forward gain while keeping the construction relatively simple. That straightforward, compact design makes it easy to fabricate, mount, and deploy in the field, which is why the statement about being capable of simple and deployable design is the best fit. In contrast, a Yagi is not omnidirectional—its energy is directed in a specific direction—so describing it as omnidirectional is inaccurate. It also typically uses linear polarization rather than circular, so requiring circular polarization isn’t correct. And while it offers high forward gain, the deployment mechanics are not complex, which would be implied by a statement about complex deployment.

A Yagi-Uda antenna is built with a driven element plus a reflector and one or more directors arranged in line, which creates a focused radiation pattern with high forward gain while keeping the construction relatively simple. That straightforward, compact design makes it easy to fabricate, mount, and deploy in the field, which is why the statement about being capable of simple and deployable design is the best fit.

In contrast, a Yagi is not omnidirectional—its energy is directed in a specific direction—so describing it as omnidirectional is inaccurate. It also typically uses linear polarization rather than circular, so requiring circular polarization isn’t correct. And while it offers high forward gain, the deployment mechanics are not complex, which would be implied by a statement about complex deployment.