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Quadrifilar Helix Antenna

Advanced Microwave offers can acquire LHCP or RHCP by changing the direction of the Quadrifilar Helix Antenna. Its suitable operating frequency is between 200-5000MHz.The gain is within 3-12dB. Especially at the low end of the frequency, the spiral antenna will be smaller than other antennas due to the wavelength. For higher gain requirements, spiral antennas can be used as feeds for parabolic reflector antennas, and the desired gain can be obtained by increasing the reflector size. The bandwidth of the spiral antenna is usually wide, and the VSWR will be around 1.5 in 20% relative bandwidth. The polarization axis ratio can be less than 3dB in the radiation axis, and the typical value is 2 dB.

Quadrifilar Helix Antenna Introduction

The Quadrifilar Helix Antenna (QHA) is a compact, versatile antenna ideal for satellite communications, radar, and navigation systems. Its unique helical design provides superior omni-directional radiation, making it effective for low-orbit satellite applications.

With over 30 years of expertise, Advanced Microwave Technologies Co., Ltd. offers high-quality QHAs for aerospace, defense, and telecommunications industries. The antenna ensures reliable communication across a wide frequency range, even in challenging conditions. Whether for OEM solutions or precision-engineered defense components, the QHA meets the highest standards of performance and quality.

Product Specifications

product-1561-469

Product Benefits

Omnidirectional Performance: Provides consistent signal reception and transmission across all directions, ideal for mobile and satellite communication systems.
Compact and Lightweight: Its small form factor ensures easy integration into a wide range of applications without compromising on performance.
High Gain and Low Loss: Delivers excellent signal reception with minimal power loss, enhancing the overall communication efficiency.
Durable Construction: Built to withstand harsh environments, ensuring reliability in aerospace, defense, and satellite systems.

Technical Features

Broad Frequency Coverage: Quadrifilar Helix Antenna supports frequencies from 1 GHz to 40 GHz, making it suitable for both low and high-frequency communication systems.
High Efficiency: Ensures low transmission loss and optimal signal strength, critical for high-performance communication systems.
Versatile Mounting Options: Easily integratable into various systems with options for surface mounting or integration with existing satellite or radar systems.
Right-Hand Circular Polarization: Minimizes interference and ensures robust signal integrity, even in dynamic environments.

Product Applications

Satellite Communications: The QHA is widely used in satellite communication systems, providing reliable signal reception and transmission, especially in low-orbit satellites.
Aerospace & Defense: Ideal for radar and navigation systems, where precise and continuous communication is required, even in remote or hostile environments.
Telecommunications: Used in base stations and mobile communication networks for robust, omnidirectional coverage and efficient data transfer.
Wireless Networks: An excellent choice for wireless communication systems where high gain and broad coverage are essential.

OEM Services

Advanced Microwave Technologies Co., Ltd provides tailored solutions for OEMs, including:

Custom Frequency Ranges: Adjust the frequency range to meet your specific operational needs.
Material and Size Customization: Choose from a variety of materials and sizes to fit your project requirements.
Complete Technical Support: From design consultation to installation, our team offers comprehensive technical assistance throughout the process.
Prototyping and Testing: Ensure the quadrifilar helix antenna meets your specifications with our in-house prototyping and rigorous testing services.

FAQ

1. What is a Antenna used for?
A Antenna is commonly used for satellite communications, radar systems, and navigation, offering excellent omnidirectional signal reception and transmission.

2. Can I customize the Antenna?
Yes, we offer full customization options for size, material, frequency range, and connector types to meet the specific requirements of your application.

3. What is the frequency range of this antenna?
Our Antenna supports frequencies from 1 GHz to 40 GHz, covering a wide range of applications in telecommunications, defense, and aerospace.

4. Is the antenna RoHS compliant?
Yes, all of our antennas are RoHS compliant, ensuring they are environmentally friendly and meet international safety standards.

5. How do I install a Quadrifilar Helix Antenna?
We provide detailed installation guides and technical support to help you integrate the antenna into your system seamlessly.