300-360 · Question #8
An engineer is preparing for an outdoor wireless survey to mesh connect a distant remote building to a connected building. Which two types of antennas are appropriate for this application? (Choose…
The correct answer is C. dish D. Yagi. Outdoor point-to-point or point-to-multipoint mesh links connecting distant buildings require highly directional antennas to concentrate RF energy over long distances and minimize interference. (C) Dish antennas offer extremely high gain and very narrow beamwidths, making them…
Question
An engineer is preparing for an outdoor wireless survey to mesh connect a distant remote building to a connected building. Which two types of antennas are appropriate for this application? (Choose two.)
Options
- Acircular polarized
- Bpatch
- Cdish
- DYagi
- Eomni
How the community answered
(21 responses)- A5% (1)
- C90% (19)
- E5% (1)
Explanation
Outdoor point-to-point or point-to-multipoint mesh links connecting distant buildings require highly directional antennas to concentrate RF energy over long distances and minimize interference. (C) Dish antennas offer extremely high gain and very narrow beamwidths, making them ideal for long-distance point-to-point links between buildings. (D) Yagi antennas are also highly directional with significant gain, suitable for medium-to-long distance links. Both focus the signal in a specific direction, maximizing link budget over distance. Omnidirectional antennas (E) radiate in all directions and are unsuitable for long-distance directional links. Patch antennas (B) have moderate directionality but are better suited for shorter distances. Circular polarized antennas (A) are typically used for mobile or misalignment-tolerant links.
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