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RCDD · Question #235
RCDD Question #235: Real Exam Question with Answer & Explanation
The correct answer is C. Panel. A panel antenna's highly directional radiation pattern allows it to focus RF energy inward toward building interiors, minimizing signal leakage through exterior walls.
Question
When trying to control radio signals from leaking outside of a building, a ______________ antenna should be used.
Options
- ADipole
- BDome
- CPanel
- DVee
Explanation
A panel antenna's highly directional radiation pattern allows it to focus RF energy inward toward building interiors, minimizing signal leakage through exterior walls.
Common mistakes.
- A. A dipole antenna radiates omnidirectionally in the horizontal plane, sending signal energy in all directions including through exterior walls, which directly causes the leakage problem rather than solving it.
- B. A dome antenna is an omnidirectional ceiling-mount antenna intended for broad indoor coverage; its radiation pattern does not discriminate between interior and exterior directions.
- D. A Vee antenna has a broad bidirectional pattern that lacks the tight directional control needed to effectively contain RF energy within a building.
Concept tested. Directional panel antennas for indoor RF signal containment
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