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Product Name :

Yagi Antenna

Item :

LNY-900-15

Product Description

Applications:

Designed for the long distance directional communication at 800-960 MHz,Repeater.

Features:

High Gain, Large F/B Ratio and strong anti-jamming

They have heavy duty structure and easy for installation.

 

Electrical Specifications

Model

LNY-900-15

Frequency Range–MHz

806-960

Bandwidth-MHz

154

Gain-dBi

12

Horizontal Beamwidth -°

36

Vertical Beamwidth -°

32

F/B ratio-dB

≥18

VSWR

≤1.5

Input Impedance -Ω

50

Polarization

Vertical or Horizontal

Maximum Power -W

100

Connector

N Female or Customized

 

The Yagi antenna, also known as the Yagi-Uda antenna, is a type of directional antenna widely used in radio communication and transmission systems. Named after its inventors, Hidetsugu Yagi and Shintaro Uda, the Yagi antenna is characterized by its highly directional radiation pattern, making it an ideal choice for long-range communication and reception.

The Yagi antenna consists of a driven element, one or more parasitic elements, a reflector, and a boom or support structure. The driven element is typically a dipole antenna, while the parasitic elements, usually smaller than the driven element, are arranged in front of or behind the driven element to enhance the antenna's directivity. The reflector, located behind the parasitic elements, reflects the radiation backwards, increasing the antenna's forward gain.

The length, spacing, and arrangement of the parasitic elements and reflector are carefully calculated to achieve maximum gain at a specific frequency range. The number and length of these elements, as well as their placement along the boom or support structure, determine the antenna's characteristics, including frequency bandwidth, beamwidth, front-to-back ratio, and directivity.

Yagi antennas are widely used in many applications that require long-range communication and reception, such as television and radio broadcasting, cell phone networks, amateur radio, and wireless LANs. They are especially suitable for point-to-point communication, where a signal needs to be transmitted or received in a specific direction over a long distance.

The directional nature of Yagi antennas makes them highly efficient in capturing or transmitting signals in a particular direction while minimizing interference from other directions. This property enables the antenna to achieve high gain, which translates to increased signal strength and reduced signal loss, resulting in more reliable and sustainable communication.

Yagi antennas come in various sizes and configurations, ranging from small handheld models to large stationary installations. They can be made from different materials, such as aluminum, stainless steel, or fiberglass, depending on the application and environmental factors.

In summary, the Yagi antenna is a highly directional antenna characterized by its strong gain and directivity. Its ability to capture or transmit signals in a specific direction over a long distance makes it an ideal choice for many applications that require long-range communication and reception. As technology continues to evolve, Yagi antennas will continue to play a critical role in modern communication systems, supporting reliable and efficient data transfer and transmission across various industries and applications.