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High-Frequency RF Connectors and Adapters

RF Solutions

High-Frequency RF Connectors and Adapters

Supporting high-frequency, high-precision applications such as test and measurement, Molex RF High-Frequency Connectors and Adapters deliver exceptional signal integrity and reliability. Solderless attachment provides seamless integration and reduces production costs, enabling faster time to market. These precision products streamline adaptations and upgrades, ensuring designs remain at the forefront of technological advancements.

Size Frequencies Impedance
1.0, 1.85, 2.4, 2.92mm DC to 110 GHz 50 Ohms

1.0mm 110 GHz Adapter

110 GHz solderless high-frequency RF adapter

1.85mm 67 GHz Adapter

67 GHz solderless high-frequency RF adapter

2.4mm 50 GHz Connector

50 GHz solderless high-frequency RF test connector

2.92mm 40 GHz Connector

40 GHz high-frequency RF test connector

High-Frequency Test Adapters

High-frequency right-angle RF test adapter

Features and Benefits


High-performance and high-frequency applications such as 5G, aerospace, and test-and-measurement systems require consistent and accurate RF connectivity. System components and interconnects must minimize interference and insertion loss (IL) while withstanding harsh operating conditions or high cycle counts. Versatile components are necessary to enable rapid adaptation to new technological advancements.

Molex High-Frequency RF Connectors and Adapters deliver superior signal integrity at microwave and millimeter-wave frequencies, with minimal voltage standing wave ratio (VSWR) and insertion loss. Their precision engineering helps ensure reliable and consistent data transmission. Solderless designs streamline assembly, minimize errors and production costs, shorten time to market, and provide a competitive advantage by accelerating product development cycles. A wide range of connector types and configurations supports seamless integration into designs in multiple applications and industries, fostering innovation and ensuring adaptability to changing markets.

Exceptional Signal Integrity

These connectors and adapters are precision engineered to minimize VSWR, insertion loss, electrical noise and interference across microwave and millimeter-wave frequencies. They provide optimal impedance matching, minimizing signal reflection and improving transmission quality. Precision-engineered board-to-coax interfaces enhance reliability and streamline assembly, while a versatile range of connector options offer compatibility with a variety of industry standards. This provides consistent performance without the need for redesign.

Vertical-mount high-frequency RF connector

Low Insertion Loss

These connectors and adapters use advanced designs and materials including passivated stainless-steel bodies and beryllium copper contacts to reduce VSWR and insertion loss, improving signal quality. Precision-engineered geometries such as mitered-body, right-angle adapters help reduce resistance and maximize efficiency and accuracy.

Right-angle, high-frequency RF adapter

Reliable High-Frequency Performance

Designed to handle microwave and millimeter-wave frequencies from DC to 110 GHz, these precision RF connectors and adapters maintain the high-quality signal transmission that is essential for precision in high-frequency systems. The connectors and adapters are engineered for repeatable and stable results even under harsh conditions.

Solderless high-frequency RF board-to-coax connector

Enhances design flexibility
Versatile connector types allow for designs to be precisely matched to performance specifications without compromising functionality.

Delivers versatile integration with advanced systems
Compatibility with both existing infrastructure and cutting-edge developments minimizes the need for redesign.

Provides multilayer PCB compatibility
Designed to integrate seamlessly with complex multilayer PCBs, the connectors enable high-density and advanced electronic designs.

Ensures consistent performance
Precision-machined construction ensures tight tolerances and superior quality, enhancing signal integrity and making the connectors and adapters suitable for high-performance applications.

Offers exceptional durability
The use of high-quality materials such as passivated stainless steel and beryllium copper contacts reduces the frequency of replacements, lowers maintenance costs and enhances long-term performance in harsh environments.

Reduces installation time
The solderless design and efficient screw mounting system streamline the installation process, simplifying assembly and significantly reducing potential errors.

Applications by Industry


Radar systems

Electronic defense systems
Military communications equipment

High-speed signal integrity test boards

5G microwave backhaul systems
High-speed backplanes
Point-to-point radios
Reference backplanes
Test and characterization boards

Benchtop test and measurement equipment
Field-portable test equipment
Semiconductor and RF component automated test equipment

This is not a definitive list of applications for this product. It represents some of the more common uses.

Frequently Asked Questions


What is a high-frequency RF connector or adapter?

A high-frequency connector or adapter is a highly engineered component designed to facilitate efficient signal transmission between different types of cables or equipment, particularly in high-frequency applications. These components are crafted to meet specific technical specifications, ensuring minimal signal loss, high reliability and compatibility with various advanced electronic systems.

Why is a high-frequency RF connector or adapter used?

High-frequency connectors and adapters are used to maintain the integrity of signal transmission in demanding applications such as test-and-measurement or high-frequency communication systems. They ensure that signals are transmitted with minimal distortion or loss, supporting accurate results and reliable performance, which is essential for applications requiring high precision and consistency.

What role do high-frequency connectors play in maintaining signal integrity at microwave and millimeter-wave frequencies?

High-frequency connectors are designed to minimize insertion loss and maintain a low VSWR, ensuring optimal signal integrity even at frequencies up to 110 GHz. This is crucial for reliable data transmission and performance in high-frequency applications.

What solutions simplify the installation process for high-frequency PCB connectors?

Solderless board-to-coax interfaces eliminate the need for traditional soldering, significantly simplifying the installation process. This approach reduces complexity, minimizes potential errors and speeds up project timelines, making connections easier and more cost-effective for engineers to implement.

What adaptations do these connectors incorporate to address the challenges of high interconnect density and space constraints on PCBs?

High-frequency connectors are designed to provide reliable performance without occupying excessive space by accommodating high-interconnect density requirements. Compact and adaptable designs ensure they fit seamlessly into advanced, multilayer PCB configurations without compromising functionality.

Can right-angle adapters withstand frequent use and harsh environments?

Right-angle adapters feature robust construction using passivated stainless steel and beryllium copper contacts, ensuring mechanical strength and longevity. Rated for 500 cycles, these adapters are built to withstand frequent connect and disconnect operations, as well as the environmental stresses common in industries such as aerospace and telecommunications.

What strategies are employed in high-frequency RF connector and adapter designs to address evolving industry standards and high-frequency needs?

The range of connector types and versions—including 1.0, 1.85, 2.4 and 2.92mm—are specifically designed to accommodate evolving industry standards and support high-frequency requirements up to 110 GHz. This ensures compatibility with the latest technologies and helps engineers keep pace with advancements like 5G.