There are indoor versions of enclosed Yagi antennas. Mounting is done outdoors either parallel or perpendicular to the ground at a stipulated height. Yagi antennas terminate with coaxial mostly via SMA, RP SMA and N-type connectors. Gain is relative to the number and arrangement of the parasitic components on the antenna. Yagi have a moderate to high gain on a narrow beamwidth of HF, VHF, and UHF frequency bands of 50 MHz to 5.8 GHz. The antenna is commonly made of aluminum or steel. ![]() This design increases the dipole’s gain in one direction. Reflectors are longer than the dipole while the directors are shorter. The driven element is usually a single half-wave or folded dipole connected to either the transmitter or receiver. ![]() Yagi antenna (also parasitic array) is a directional antenna with a single driven element and additional parallel parasitic components on a single axis separated by insulators, a reflector, and one or several directors made of metal rods.
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