SMA RF Coaxial Connector – Four-Hole Flange Mount Receptacle

SMA RF Coaxial Connector – Four-Hole Flange Mount Receptacle

Product Overview

SMA series connectors are compact, threaded RF coaxial connectors known for their wide frequency bandwidth, excellent mechanical and electrical performance, and high reliability. They are widely used in microwave communication systems, aerospace navigation, and RF circuits in microwave equipment.

Applications
Communications, radar systems, antennas, network infrastructure, and RF modules.

Key Features

Four-hole flange mount for secure and stable installation

Microstrip interface size: φ1.3 × 3 mm

Wide frequency bandwidth and low insertion loss

Compact size with excellent environmental resistance

Superior performance and long service life

Compliant with MIL-C-39012 and IEC60169-15 standards

Product Appearance

Important Technical Parameter

Materials and Surface Treatment

Product Image Gallery

About Xi'an Sipu RF Technology Co., Ltd.

Xi'an Sipu RF Technology Co., Ltd. is a nationally certified high-tech enterprise specializing in the research, development, manufacturing, and sales of RF and microwave electronic components. Our main product lines include RF connectors, adapters, cable assemblies, loads, and other custom microwave components.

Founded in 1998, Sipu established a joint venture with Zhengzhou Aerospace Electronic Technology Co., Ltd. in 2008. We are located in Xinkai Industrial Park, Xi’an High-Tech Zone, operating a facility of approximately 2,000 square meters with more than 100 employees.

Sipu holds several industry certifications, including ISO quality management certification and the national High-Tech Enterprise certification. We also own multiple utility model patents. The company follows a strict quality management system, ensuring that every material and component is inspected upon entry and that each stage of production is tightly controlled to guarantee consistent product quality.

Our products are widely used in a variety of high-reliability sectors such as aerospace, aviation, satellite systems, telecommunications, energy, transportation, oil exploration, and industrial automation. Many of our components are exported to Europe, North America, and other global markets.

Our core business includes:

• Custom design and production of RF coaxial connectors, loads, cable assemblies (including phase-stable types), antennas, and lightning protection components;

• Electronic assembly services such as low-frequency cable networks, miniature rectangular devices, PCB soldering, power module assembly, and chassis integration;

• Microwave and power components including transformers, coils, transistors, and heatsink-integrated semiconductors.

With over two decades of experience in RF and microwave technology, we continue to innovate and expand our product portfolio to support emerging communication and connectivity applications. More than 90% of our products comply with international standards such as MIL, IEC, and DIN, as well as domestic standards like GB, GJB, and SJ.

We are committed to our quality philosophy:

"Meticulous design, precision manufacturing, and continuous improvement — customer satisfaction is our eternal pursuit."

Sipu is dedicated to delivering reliable, high-performance RF solutions to customers worldwide.

Why Choose Us

At Xi’an Sipu RF Technology Co., Ltd., we take pride in offering professional, reliable, and customized solutions in the RF and microwave industry. Here are a few reasons why clients choose to work with us:

1. Over 20 years of expertise in the design and manufacturing of RF and microwave components

2. Trusted by 100+ global clients, with a solid reputation as a qualified supplier

3. Extensive experience supporting national high-tech and industrial projects

4. Dual-grade product options — from high-reliability to commercial-grade components

5. Strict quality control aligned with international and industry standards (MIL, IEC, GB, etc.)

6. Modern production facility covering 2,500 square meters with over 100 skilled employees

7. Holder of 10+ national patents in RF and microwave technologies

8. Broad product range with over 50 series and 100,000 standard and custom part numbers

9. Annual production capacity exceeding 3 million units

10. Fast turnaround times and competitive pricing

11. Flexible ODM support to meet your customized design and application needs

12. Top-quality products that meet demanding electrical and mechanical specifications

13. Dedicated after-sales service and responsive technical support team

Whether you're looking for standard components or custom-engineered solutions, Sipu is here to deliver reliable performance and long-term value.

Product application areas