In which sport is the equipment called antenna used?

The correct answer is Option (1) - Volleyball

The antenna is a crucial piece of equipment used in volleyball. It consists of flexible rods or poles placed vertically near the sidelines of the volleyball net. The antennas extend upward from the net and are used to define the boundaries of the playing area. They help referees determine whether a ball has crossed the net within the permissible area during play. Antennas are essential for ensuring fair and accurate gameplay by marking the legal boundaries for ball contact.