Antenna is a device used to receive or transmit electromagnetic waves. Antennas have a wide range of applications, including in telecommunications, radar, and remote sensing. There are many different types of antennas, each with its own unique characteristics and applications.
One common type of antenna is the HDTV antenna. HDTV antennas are used to receive high-definition television (HDTV) signals. HDTV signals are broadcast over the air, and HDTV antennas can be used to receive these signals and convert them into a format that can be displayed on a television.