Antennas can be designed to transmit and receive radio waves in all horizontal directions equally (omnidirectional antennas), or preferentially in a particular direction (directional, or high-gain, …

Nov 12, 2025 · antenna, component of radio, television, and radar systems that directs incoming and outgoing radio waves.

Feb 14, 2025 · That's more or less what an antenna (sometimes called an aerial) does: it's the metal rod or dish that catches radio waves and turns them into electrical signals feeding into …

Feb 24, 2023 · An antenna is a specialized transducer that converts electric current into electromagnetic (EM) waves or vice versa. Antennas are used to transmit and receive …

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Aug 29, 2025 · If you want to cut the cord but keep live TV, you need the right antenna to tune into over-the-air broadcasts. Here's what you need to know, along with our top picks.

Get sharp pictures from your local stations with TV antennas from Best Buy. Shop indoor/outdoor digital TV antennas or an amplified HDTV antenna for indoor use.

AntennaWeb helps you make more informed decisions about choosing the antenna type that best matches the availability of stations from your local broadcasters and your viewing needs.

Signal strength calculations assume an outdoor antenna 30 feet above ground level. Actual reception quality may vary significantly for viewers using an indoor antenna.

An intuitive tutorial of antennas and antenna theory. This website is designed to present a comprehensive overview of antennas, from design, to measurement and theory.