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Precision RF Coaxial
Connectors & Assemblies

High-performance RF connectors, adapters, and cable assemblies for telecom, aerospace, defense, and industrial applications. Engineered for reliability, precision, and signal integrity.

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About rfcnn.com

We are a leading provider of high-frequency RF coaxial connectors, adapters, and cable assemblies designed for mission-critical applications across industries.

Engineered for Excellence

With a comprehensive product line including SMA, N-Type, BNC, TNC, QMA, and precision millimeter-wave connectors up to 110 GHz, we deliver unmatched performance and reliability.

Our RF test cable assemblies, phase-stable cables, and low-loss coaxial solutions are trusted by engineers and technicians worldwide for VNA testing, signal integrity, and high-frequency measurements.

110 GHz
Max Frequency
50+ Years
Combined Experience
RF Connectors Assembly

Our Product Range

Explore our extensive catalog of RF coaxial connectors, adapters, cable assemblies, and precision components for every high-frequency application.

SMA Connector

SMA Connector

Precision 50Ω RF connector for frequencies up to 18 GHz. Ideal for test equipment, antennas, and wireless systems.

Impedance: 50Ω | Freq: DC-18GHz | Crimp/PCB Mount
N-Type Connector

N-Type Connector

Robust 50Ω connector rated up to 11 GHz. Weatherproof design for outdoor and base station applications.

Impedance: 50Ω | Freq: DC-11GHz | IP68 Rated
BNC Connector

BNC Connector

Quick-connect 50Ω or 75Ω RF connector for test and measurement, video, and data systems.

Impedance: 50/75Ω | Freq: DC-4GHz | Bayonet Lock
TNC Connector

TNC Connector

Threaded version of BNC for superior vibration resistance. Ideal for mobile and rugged environments.

Impedance: 50Ω | Freq: DC-11GHz | Threaded Coupling
QMA Connector

QMA Connector

Quick-lock miniature RF connector for high-density applications. 30% smaller than SMA.

Impedance: 50Ω | Freq: DC-6GHz | Snap-on Coupling

1.85mm Connector

Precision millimeter-wave connector for frequencies up to 65 GHz. Ideal for high-speed test systems.

Impedance: 50Ω | Freq: DC-65GHz | APC Interface

Phase Stable Cables

ZLA, ZLB, ZLC series for amplitude and phase stability in test and measurement applications.

Series: ZLA, ZLB, ZLC, ZLD, ZLE, ZLS | Low Loss

RF Adapters

In-series and between-series adapters for SMA, N, BNC, TNC, and other RF connector types.

Types: In-Series, Between-Series | Gender Changers

RF Test Cables

Precision test leads for VNA, network analysis, and high-frequency measurement systems.

Applications: VNA, Calibration, Testing | Flexible

Automotive Cable Assemblies

Fakra, Mini-Fakra, HSD, and Automotive Ethernet solutions for ADAS and infotainment systems.

Types: Fakra, Mini-Fakra, HSD, Ethernet | Automotive Grade

RF Power Dividers

High-isolation power splitters and combiners for signal distribution and monitoring.

Types: 2-Way, 4-Way, 8-Way | Low Insertion Loss

Surge Protectors

Lightning and transient protection for RF systems in outdoor and tower installations.

Applications: Tower, Base Station, Antenna | Gas Discharge
View Full Product Catalog

Why Choose rfcnn.com

Our commitment to quality, precision engineering, and customer support sets us apart in the RF industry.

Certified Quality

ISO-certified manufacturing with rigorous testing for VSWR, insertion loss, and durability.

High Frequency

Solutions from DC to 110 GHz, including millimeter-wave connectors and phase-stable assemblies.

Industrial Grade

Designed for harsh environments with IP-rated enclosures, ruggedized cables, and vibration resistance.

Technical Support

Expert engineering support for custom designs, specifications, and application guidance.

500+
RF Connector Types
110 GHz
Max Frequency
40+
Countries Served
24h
Support Response

Applications

Our RF components are trusted in critical systems across multiple industries.

Telecom & 5G

Base stations, small cells, mmWave backhaul, and antenna systems.

Aerospace & Defense

Radar, EW, SATCOM, avionics, and secure communications.

Test & Measurement

VNA, signal analyzers, calibration labs, and R&D environments.

Automotive

ADAS, infotainment, V2X, and high-speed data networks.

Industrial IoT

Wireless sensors, machine-to-machine communication, and automation.

Medical Devices

MRI, RF ablation, patient monitoring, and diagnostic equipment.

Frequently Asked Questions

What is the maximum frequency supported by your SMA connectors?

Our standard SMA connectors support frequencies up to 18 GHz. We also offer precision SMA variants rated for 26.5 GHz.

Do you offer custom cable assemblies?

Yes, we provide custom RF cable assemblies with specified lengths, connectors, shielding, and phase-matching requirements.

What are the differences between SMA and QMA connectors?

QMA connectors are 30% smaller than SMA and feature a quick-lock mechanism instead of threads, making them ideal for high-density applications.

Are your products RoHS compliant?

Yes, all our RF connectors and cable assemblies comply with RoHS and REACH environmental standards.

What is phase stability in RF cables?

Phase stability refers to the cable's ability to maintain consistent electrical length under flexing, temperature changes, and vibration.

Get in Touch

For product inquiries, technical support, or custom solutions, visit our official website to contact the team.

Visit Official Website

All product specifications and availability are subject to change. Visit rfcnn.com for the latest information.

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