| 摘要 |
An antenna is provided to improve antenna characteristics such as a beam width, a gain, and a side lobe by coupling advantages of a conventional Yagi antenna and a parabola antenna. In an antenna, a radiating element(120) is formed on the inside of a cover(110) to transceive a wave by feeding a signal in a service area. A waveguide(130) is formed on a front side of the radiating element(120) to guide the wave. A reflector(140) is formed on a rear side of the radiating element(120) to reflect the wave. An auxiliary reflector(150) is mounted on an external rear side of the radiating element(120) to reflect the wave additionally. And, a base includes a supporting unit(160) inserted into one side of the cover(110) and a ground unit(161) extensively formed on the supporting unit(160).
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