• In biology, antenna (plural: antennae) refers to the sensing organs of several arthropods.
• In electronics, antenna (plural: antennas) refers to the component designed to send and receive radio waves.
• Antenna, also known as ANT1, is a Greek-language terrestrial channel.
• In astronomy, The Antennae is the name of two colliding galaxies NGC 4038 and NGC 4039 .
• In astronomy, antenna may be a reference to a radio telescope.

Related

• Antena 3 is also a Spanish terrestrial television channel from Spain.