The subject innovation can result in micro-strip having to be, more specifically, the high orientation and while having a gain electrical characteristics of the wideband one-way to configure the resulting antenna pattern on a microstrip substrate according to the Yagi antenna of a wireless communications system It relates to an antenna.; In general Yagi antenna is composed of a wave director, and a reflector for reflecting the radio wave are provided in the rear portion of the copying machine for guiding a copy machine, and a radio wave is provided in the front side of the copying machine for transmitting and receiving radio waves, the signal is the power supply. The results of the antenna according to the prior art had a problem in that the receive space constraints at the time of installation, to include the support means which can sufficiently support the weight of the antenna.; The subject innovation provides a microstrip antenna having caused the resulting antenna pattern and the micro-strip line configured to have a high directivity and gain of the way at the same time, the electrical properties of a broadband microstrip to the substrate in order to solve the above problems.; Further, size reduction by implementing a Yagi antenna in microstrip substrate, the weight can be eliminated, and the space constraints, when installed in the system devices, and has the effect that to obtain a cost reduction and uniform characteristics of the mass production.
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