L118

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The L118 antenna, also known as an open array antenna or microwave array antenna, is a type of RF antenna primarily used for specialized applications in the radio frequency (RF) frequency range, including microwave frequency, applications. This antenna’s unique design allows it to produce more radiation in the elevation plane (up and down) than on the azimuth plane (left to right). Its unique tilt and elevation pattern support mobility applications and allows the antenna to be deployed in many different ways.

The L118 is designed to provide long-range coverage in wide area coverage networks. The antenna is designed to be mounted on a vehicular platform, such as a car, truck, or other vehicle, and includes a control unit and power supply. It is designed for full operation with minimum power consumption. It is also designed to be installed on an existing mounting system and can be stowed and rapidly unpacked to provide a wide range of coverage.

The L118 is based on a planar array of antenna elements arranged in a linear or circular pattern, usually with a radius of 2 to 10 degrees and a height of 6 to 12 meters. The elements are made from either metal or other RF-transparent materials. For the linear array, the elements are arranged in two parallel columns. For the circular array, the elements are arranged in concentric circles.

The working principle of the L118 is based on the principle of phased array antennas. The phase of each antenna element is adjusted using the amplifier, providing the antenna with beam steering capabilities. This allows the antenna to direct the main beam directionally in the elevation plane and reduce interference from external sources in the azimuth plane.

The antenna is usually designed to operate in a particular frequency range. Depending on the application, the antenna can be designed to operate either in Directive Mode or Non-Directive Mode (NDM). In the Directive Mode, the antenna is designed to concentrate the beam in a specific direction, providing a narrow coverage area and higher gain. In the Non-Directive Mode, the beam is more dispersed, providing broader coverage and lower gain.

The antenna offers a wide range of benefits including improved signal-to-noise ratio, high gain, narrow beamwidth, low side lobe levels and high radiation efficiency. These advantages make it suitable for applications such as communications, radar, telemetry, satellite links, broadcast systems and many other military and commercial applications.

The L118 is a versatile antenna system that offers a wide range of benefits for many different applications. Its unique design allows it to be used in a variety of mounting configurations, allowing it to be deployed in many different ways. Its phased array design provides the antenna with beam steering capabilities, providing greater gain in the elevation plane. Its ability to operate in both directive and non-directive modes makes it suitable for a wide range of applications.

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