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 …

These popular channels and more are available in the US and can be received nationwide with a TV antenna. Enter your address for a map of broadcast towers and signal information in your area.

2025年12月28日 · 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.

Shop through a wide selection of TV Antennas at Amazon.com. Free shipping and free returns on Prime eligible items.

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.

2023年2月24日 · 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 …

We recommend researching beforehand to determine what range of antenna you need, and whether you want an indoor model or an antenna made for outdoor installation.

2025年11月18日 · TV antennas can let you receive dozens of popular channels free, depending on where you live. CR's testers find that cheaper antennas sometimes outperform pricier ones. TV …

2025年8月27日 · Our specialists will help you choose the best antenna for your home or office. With a heritage in over-the-air antennas specifically tuned for core DTV frequencies, Antennas Direct has …

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.