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, or …

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 something like a …

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2 days ago · 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.

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

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 nonionizing EM fields, which …

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.