Which of the following statements is true about directional antennas?

The antenna type varies with the service scenario.

Which of the following statements is true about directional antennas?
A . Typically, directional antennas have a small gain and provide a shorter coverage distance than that of omnidirectional antennas.
B . Directional antennas have a narrow coverage area, posing less interference to other AP
D . Each directional antenna is a single -polarized antenna with one port.
E . Directional antennas Can be centrally deployed to cover a round or square area with a distance of less than 30 meters.

Answer: B