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Four Types of Omni Directional Antennas

Omni Directional Antennas are a class of Antennas that radiate uniform wave power in all directions in a plane. These devices can give out various frequencies of wave power such as 900 MHz Omni Directional Antenna, 900 MHz Omni Directional Antennas etc. The radiation pattern of such Antennas is usually termed as doughnut shaped as it covers all directions in a plane and the frequency starts decreasing with reducing elevation angle. This device of communication is mostly used in radio broadcasting Antennas, mobile devices and walkie-talkies.   

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