2.92mm RF Coaxial Connectors, also known as K connectors, are precision RF interconnect components designed for high-frequency signal transmission up to 40 GHz. They feature a 50Ω impedance and are engineered to provide stable electrical performance, low insertion loss, and excellent return loss across microwave and millimeter-wave applications. Due to their dimensional compatibility with SMA and 3.5mm connector interfaces under specified conditions, 2.92mm RF Coaxial Connectors are widely used in communication systems, aerospace equipment, RF testing, radar systems, semiconductor measurement, and microwave laboratories.
The primary function of 2.92mm RF Coaxial Connectors is to deliver accurate RF signal transmission while minimizing reflection and signal attenuation at high frequencies. Precision machining, controlled impedance structures, gold-plated contacts, and high-performance dielectric materials help maintain signal integrity in demanding environments. Various connector configurations are available to support cable assemblies, printed circuit boards, instrumentation, and panel installations.
Since 1999, Yangzhou Jingcheng Electronics Co., Ltd. has specialized in the design and manufacturing of RF coaxial connectors and microwave interconnection solutions. The company's product portfolio includes 2.92mm, 2.4mm, 1.85mm, SMA, SMP, MCX, MMCX, BNC, TNC, N, adapters, RF cable assemblies, attenuators, terminal loads, and related RF components, supported by precision manufacturing equipment and high-accuracy testing systems for consistent electrical and mechanical performance.
Common Types and Features of 2.92mm RF Coaxial Connectors
Cable Plug Connectors
Designed for flexible coaxial cable termination, cable plugs are commonly used in microwave cable assemblies requiring repeatable high-frequency performance.
Cable Jack Connectors
Female cable connectors provide secure threaded coupling and are suitable for test cables, communication equipment, and precision RF assemblies.
PCB Mount Connectors
Available in vertical and right-angle versions, PCB mount connectors enable direct integration into microwave circuit boards while maintaining controlled impedance.
Panel Mount Connectors
Panel-mounted versions are used for equipment interfaces where stable mechanical fixation and repeated mating cycles are required.
Adapter Connectors
Precision adapters convert between 2.92mm and compatible RF interfaces such as SMA or 3.5mm connectors for laboratory and measurement applications.
Typical Applications of 2.92mm RF Coaxial Connectors
- Microwave and millimeter-wave communication systems
- 5G infrastructure and wireless base stations
- Radar and electronic warfare equipment
- Satellite communication systems
- Vector network analyzers and RF measurement equipment
- Semiconductor testing platforms
- Aerospace and defense electronics
- High-frequency laboratory research
- Precision microwave cable assemblies
Selection Guide for 2.92mm RF Coaxial Connectors
Maximum Operating Frequency
Verify that the connector frequency rating satisfies the operating range of the RF system. 2.92mm connectors are commonly specified for applications up to 40 GHz.
Cable Compatibility
Select connector models according to cable diameter, flexibility, shielding structure, and assembly requirements to ensure proper termination.
Mounting Configuration
Choose cable, PCB, flange, bulkhead, or panel-mount versions according to equipment structure and installation requirements.
Electrical Performance
Evaluate insertion loss, return loss, VSWR, impedance consistency, and shielding effectiveness for high-frequency applications.
Mechanical Durability
Consider mating cycle life, connector material, plating thickness, and environmental resistance for long-term reliability.
2.92mm RF Coaxial Connectors vs Other RF Connector Types
| Connector Type |
Typical Frequency Range |
Coupling Method |
Typical Applications |
| 2.92mm RF Coaxial Connectors |
DC–40 GHz |
Threaded |
Microwave testing, aerospace, 5G, laboratory instrumentation |
| SMA Connectors |
Typically up to 18–26.5 GHz |
Threaded |
General RF communication equipment |
| 3.5mm Connectors |
DC–34 GHz |
Threaded |
Precision laboratory measurements |
| 2.4mm Connectors |
DC–50 GHz |
Threaded |
Millimeter-wave measurement systems |
| 1.85mm Connectors |
DC–67 GHz |
Threaded |
Ultra-high-frequency microwave applications |
Frequently Asked Questions
What is the frequency range of 2.92mm RF Coaxial Connectors?
Most 2.92mm RF Coaxial Connectors are designed for operation from DC up to 40 GHz, depending on the specific connector design and manufacturing tolerance.
Can 2.92mm connectors mate with SMA connectors?
Yes. Under appropriate conditions, 2.92mm connectors are mechanically compatible with precision SMA and 3.5mm interfaces. Proper mating practices are recommended to avoid connector wear or performance degradation.
Where are 2.92mm RF Coaxial Connectors commonly used?
They are widely used in microwave communication equipment, radar systems, vector network analyzers, satellite communication, semiconductor testing, and aerospace electronics.
What factors should be considered when selecting a 2.92mm connector?
Important considerations include operating frequency, connector interface, mounting method, cable compatibility, insertion loss, return loss, environmental conditions, and required mating cycle life.
Does Yangzhou Jingcheng Electronics Co., Ltd. manufacture precision RF connectors?
Yes. Yangzhou Jingcheng Electronics Co., Ltd. manufactures a comprehensive range of RF coaxial connectors, including 2.92mm, 2.4mm, 1.85mm, SMA, SMP, MCX, adapters, RF cable assemblies, attenuators, terminal loads, and customized RF interconnection solutions for industrial, communication, and microwave applications.
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