RF Cable Assemblies

High-Performance RF Cable Assemblies Engineered for Demanding Applications

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Custom RF Cable Assembly Capabilities

EI Sales provides high-performance RF cable assemblies engineered to meet the electrical, mechanical, and environmental demands of critical systems. Our team supports you from initial concept through production, helping you select the right materials, impedance specs, shielding, and connectors to ensure signal integrity and performance.

We support a wide range of configurations:

  • Coax types: RG, low-loss, semi-rigid, micro-coax

  • Connector options: SMA, MMCX, BNC, TNC, N-type, U.FL

  • Impedance-matched and phase-matched assemblies

  • Overmolded, strain-relieved, and right-angle designs

Every assembly is fully tested for continuity, insertion loss, and impedance to ensure field readiness. At EI Sales, we offer more than components, we provide integration-ready RF solutions tailored to your performance goals, with support spanning design through final test.

Built for Demanding Environments

Our RF cable assemblies are designed and tested for use in mission-critical environments where signal stability and mechanical integrity are non-negotiable. Inside sterilized surgical instruments, and factory-floor control cabinets, EI Sales provides assemblies that meet tight tolerances and harsh-duty requirements. 



Assemblies can be specified to withstand wide temperature ranges, vibration, chemical exposure, and moisture ingress, with optional IP-rated sealing or braided shielding for added protection. We also offer low-PIM solutions for high-frequency and interference-sensitive environments. 

Lastly, every assembly is manufactured with quality in mind, including 100% testing for continuity, insertion loss, and VSWR. When reliability is the baseline, EI Sales delivers cables that perform under pressure.

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RF Assemblies Tailored to Your Application Needs

No two applications are alike. EI Sales works closely with engineers, program managers, and sourcing teams to provide custom RF assemblies tailored to system-level performance and integration requirements. 

Our solutions include:



  • Medical: Miniature coax for telemetry and imaging, biocompatible options

  • IOT: Quick uptime and high volume production capability to support volatile demands 

  • Industrial: Durable assemblies for control cabinets, machinery, and robotics

For projects with tight routing constraints, impedance matching, or shielding challenges, we provide expert guidance on layout, connector interface, and cable selection. We’ll help you create RF assemblies that are ready for deployment, not just bench testing

What our partners say

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I just wanted to let you know that the five prototypes of the Glove 3.0 Main Board you built worked great. No errors and completely functional. Another exceptional job.  Please let everyone know that this is why I use Ninja for our prototypes. I believe you have or will be receiving the P.O. for the remaining 25 units.


ROY WEAVER

Traxton

LATEST NEWS

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EI Sales Now Representing Fair-Rite Products Corporation

April 15, 2025
Mankato, MN – January 4, 2021: EI Sales is pleased to announce the addition of Fair-Rite Products Corp. to their components and services ecosystem.
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EI Sales Welcomes Jauch Quartz America Inc. (JQA) as a New Principal Partner

By Tim Paulus • April 1, 2025
Jauch has been a trusted name in electronic components for over 75 years, building its reputation on high-quality quartz crystals, oscillators, TCXO’s and OCXO’s timing devices. More than 50 years ago, Jauch expanded its vision by entering the battery market—an initiative that now includes advanced solutions such as Lithium-Ion, Lithium Manganese Dioxide, and Lithium Thionyl Chloride technologies. With this partnership, EI Sales is now equipped to provide even greater support to design engineersand buyers in need of reliable, high-performance components for their most demanding applications. Neil Floodgate, Vice President of Sales at Jauch Quartz America Inc., added: “Partnering with EI Sales allows us to deepen our presence in the Central US and bring our technology closer to the customers who need it most. We’re excited to work with a team that shares our dedication to quality, responsiveness, and long-term relationships.” Jauch joins EI Sales’ growing lineup of top-tier electronics manufacturers. The team looks forward to working closely with customers and Jauch’s team to ensure continued success in the region.  For more information, please contact: Tim Paulus President, EI Sales info@eisales.com | (507) 345-7714 www.eisales.com
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EI Sales expands coverage with KYOCERA Displays to TOLA.

October 1, 2023
Dallas, TX – EI Sales Inc, a renowned leader in providing cutting-edge electronic components and production solutions, is thrilled to announce a significant expansion of its partnership with Kyocera Displays, covering the vibrant regions of TEXAS, OKLAHOMA, ARKANSAS, and LOUISIANA. EI Sales originally embarked on its journey representing Kyocera Displays in 2020 within the Minnesota region, marking a pivotal milestone in their collaboration.
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Why Choose EI Sales for RF Assemblies

EI Sales combines technical expertise, responsive service, and a vetted supply chain to deliver reliable RF cable assemblies with confidence. With decades of experience supporting design engineers and OEMs across regulated industries, we understand the stakes of poor connectivity and failed signal integrity.



Through a collaborative approach, you move beyond catalog ordering to specify solutions tailored to your system’s electrical, environmental, and production requirements. Our team provides hands-on sourcing guidance, connector and cable compatibility insights, and ensures every part is built to spec and delivered with traceability. EI Sales is your RF cable partner for both new design validation and production scaling, delivering performance, reliability, and peace of mind.

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