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The correct answer is A.

OBJ-2.4: Omnidirectional antennas send the signal out equally in all directions. Therefore, it will provide the best coverage since it is located in the center of the field. Unidirectional antennas transmit the signal in only one direction and would not provide adequate coverage. Bidirectional antennas transmit the signal in only two directions and would not provide adequate coverage. A Yagi antenna is a type of unidirectional antenna that can focus the transmission over a longer distance but would not be appropriate in this case since you need 360-degree coverage.

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