Glossary  >  Omni-Directional Antenna

Omni-Directional Antenna


An omni-directional antenna, commonly referred to as an omni antenna, radiates power uniformly in all directions perpendicular to the antenna's axis. The design typically features a cylindrical shape.

The radiation pattern of an omni-directional antenna resembles a doughnut in a 3D space, providing signals in all directions horizontally but not along the length of the cylinder.

Omni-directional antenna 3D signal graph

These antennas are particularly effective in environments requiring broad area coverage, resulting in relatively low gain but high practicality for diverse settings. For example, they are ideal in mobile settings like RVs to capture Wi-Fi signals from various directions at a campground.

Omni antennas are also beneficial in scenarios where equal signal reception from all horizontal directions is necessary, as they support a 360-degree radiation pattern. This feature is crucial for seamless communication regardless of the direction of signal origin.

weBoost Full Band Omni Plus Antenna

Example of Omni-Directional Antenna in a sentence:

"Omni-directional antennas are the most commonly used antennas in radio broadcasting due to their wide coverage."

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