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RF Coaxial Connector Wholesale

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RF Coaxial Connector Manufacturers

RF Coaxial Connector is an electrical connector used for radio frequency (RF) signal transmission. It is usually used for the connection of high-frequency signals to ensure the stability and reliability of signal transmission. RF coaxial connectors are commonly used in communication equipment, television, broadcasting, wireless networks and other fields.

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Ningbo Hanson Communication Technology Co., Ltd.
Ningbo Hanson Communication Technology Co., Ltd.
Ningbo Hanson Communication Technology Co., Ltd. is China RF Coaxial Connector Manufacturers and Wholesale 50 Ohm & 75 Ohm RF Coaxial Connector Factory. We are a manufacturer specializing in the production, processing, and trade of communication components, with more than 30 years of experience in RF coaxial connectors, adapters, and cable assemblies. The company has now developed its own machining workshop, electroplating workshop, assembly workshop, and a group of stable and reliable suppliers. The company's purpose is to provide customers with high-quality products. The main products are RF coaxial connectors, adapters, high-frequency cable assemblies, and low intermodulation cable assemblies. In addition, the company can also provide services for customers with customized needs to meet customers' special requirements for products. The company's products are widely used in aerospace, communication base stations, medical equipment, and other high-tech fields. At the time of enterprise reform, innovation, development, and growth, the company took the initiative to join the ISO9001 international quality management system and continuously improved the management level so as to provide more satisfactory products and services to new and old customers.

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  • What are the most common mistakes to make when installing SMA connectors?

    SMA connectors are one of the most common and widely used coaxial connectors in RF applications, widely used in communication equipment, microwave systems, antennas, test instruments, GPS, radar, and other high-frequency systems. Although the structure of an SMA connector seems simple, even a small mistake during insta...

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  • How to Choose the Right RF Coaxial Adapter？

    Choosing the right RF coaxial adapter is crucial, as it's a potential signal bottleneck; an inappropriate choice can directly impact the performance of the entire RF system. Below is an RF coaxial adapter selection guide to help you make the right choice. 1. Key Electrical Parameters (Performance Foundation)These param...

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  • Why you need to clean hermetically sealed connectors？

    Hermetically sealed connectors are widely used in special environments such as aerospace, military equipment, medical equipment, automotive electronics and industrial control. Its core value lies in its ability to prevent the intrusion of moisture, gases and contaminants and protect internal precision circuits. However...

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RF Coaxial Connector Industry knowledge

RF coaxial connectors are specialized connectors used to transmit high-frequency electrical signals. As key components of modern electronic systems, they play an irreplaceable role in communications, military, aerospace, and other fields. Ningbo Hansen Communication Technology Co., Ltd. is a Chinese RF coaxial connector manufacturer and wholesaler of 50-ohm and 75-ohm RF coaxial connectors.

RF coaxial connectors are based on electromagnetic field transmission theory and achieve low-loss transmission of high-frequency signals through a precisely designed coaxial structure. Their core principle is to maintain a consistent characteristic impedance (typically 50Ω or 75Ω), allowing electromagnetic waves to propagate as transverse electromagnetic waves (TEM mode). When the connectors are mated, the inner and outer conductors form a continuous transmission path. The elastic contact design and surface treatment ensure minimal contact resistance (typically <1mΩ).

A standard RF coaxial connector consists of three core components:
1) Center Conductor: Made of materials such as beryllium copper alloy, with a gold-plated surface.
2) Dielectric Support: Commonly made of low-dielectric-loss materials such as PTFE and ceramic.
3) Outer Conductor: Precision-machined to ensure mechanical strength and shielding effectiveness.

Proper installation of RF coaxial connectors is critical to ensuring system signal transmission quality and requires strict adherence to scientific operating procedures and technical requirements. Thorough preparation is essential before installation, including checking the accuracy of the torque wrench, creating an anti-static work environment, and rigorously inspecting the connector to ensure end-face scratches do not exceed 0.05mm and contact resistance is less than 1mΩ. The installation environment should be maintained in a clean room with a temperature of 15-30°C and a humidity of no more than 60% RH. The work surface must meet anti-static standards.

The installation process begins with meticulous end-face preparation using a three-step cleaning method: first, use air to remove surface particles, then wipe with a non-woven cloth soaked in anhydrous ethanol in a single direction, and finally allow to dry for 2 minutes. Professional testing equipment is required for alignment and calibration to ensure that the axial deviation angle is controlled within ±0.5° and the radial offset does not exceed 0.02mm. Tightening requires staged force application, starting with pre-tightening and then gradually increasing to the specified torque value. Torque requirements vary for different connector types. For example, the standard torque for SMA connectors is 0.23N·m±0.02, while that for N connectors is 1.36N·m±0.05. After installation, comprehensive performance verification must be conducted, including insertion loss testing, voltage standing wave ratio testing, and third-order intermodulation testing. Mechanical reliability must also be verified through axial tension testing and vibration testing.

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