An antenna is a transducer designed to transmit or receive radio waves which
are a class of electromagnetic waves. In other words, antennas convert radio
frequency electrical currents into electromagnetic waves and vice versa.
Antennas are used in systems such as radio and television broadcasting, pointto-
point radio communication, wireless LAN, radar, and space exploration.
Antennas usually work in air or outer space, but can also be operated under
water or even through soil and rock at certain frequencies for short distances
antenna is a transducer designed to transmit or receive radio waves; antennas convert radio
frequency electrical currents into electromagnetic waves and vice versa.
Antennas are used in systems such as radio and television broadcasting, pointto-
point radio communication, wireless LAN, radar, and space exploration.