3.5mm Coaxial Adapters
3.5mm Coaxial Adapters are precision RF and microwave interconnect components designed to connect different coaxial connector interfaces while maintaining exceptional signal integrity and minimal insertion loss. Supporting frequencies up to 26.5 GHz, these adapters are widely used in RF testing, telecommunications, aerospace, defense, satellite communication, radar systems, microwave laboratories, and test & measurement applications where accurate impedance matching is essential. At SRFS Teleinfra, we manufacture premium-quality 3.5mm Coaxial Adapters that provide excellent electrical performance, low VSWR, superior return loss, and reliable mechanical durability for demanding RF and microwave systems. Precision 3.5 mm adapters are standardized at 50 Ohm impedance and are commonly specified for operation from DC to 26.5 GHz.
Our 3.5mm Coaxial Adapters are manufactured using premium stainless steel, beryllium copper center contacts, precision dielectric materials, and advanced CNC machining technology to ensure stable electrical characteristics and long service life. These adapters offer excellent repeatability and are ideal for Vector Network Analyzers (VNAs), signal generators, spectrum analyzers, RF production testing, calibration systems, and microwave communication equipment.
All our 3.5mm Coaxial Adapters are manufactured in India under stringent quality control procedures using premium raw materials and precision manufacturing processes. Every adapter undergoes comprehensive electrical and mechanical inspection to ensure dependable performance for telecom, aerospace, defense, satellite communication, RF laboratories, and industrial microwave applications.
What are 3.5mm Coaxial Adapters?
A 3.5mm Coaxial Adapter is a precision RF connector used to connect two coaxial interfaces while maintaining accurate 50 Ohm impedance and minimizing signal reflections. The 3.5mm connector is widely recognized for its excellent mechanical stability, repeatability, and microwave performance up to 26.5 GHz.
These adapters are commonly used in RF measurement systems, microwave communication equipment, aerospace electronics, radar systems, satellite communication, and laboratory environments where high-frequency signal integrity is critical.
0.8mm coaxial adapters are commonly used in precision RF applications requiring high measurement accuracy and excellent microwave performance.
Technical Specifications
Our 3.5mm Coaxial Adapters are engineered to meet demanding RF and microwave requirements.
Impedance
Standard 50 Ohm impedance for accurate impedance matching.
Frequency Range
Supports frequencies from DC to 26.5 GHz.
VSWR
Low VSWR for excellent return loss and minimal signal reflection.
Insertion Loss
Very low insertion loss for efficient microwave signal transmission.
Connector Interface
Precision 3.5mm RF interface with threaded coupling for secure and repeatable connections.
Materials
Manufactured using stainless steel, beryllium copper contacts, gold plating, and precision dielectric materials.
Durability
Designed for repeated mating cycles with outstanding mechanical reliability.
Compliance
Manufactured according to international RF and microwave quality standards.
Types of 3.5mm Coaxial Adapters
3.5mm Male to Male Adapter
Provides reliable connection between two female 3.5mm RF interfaces.
3.5mm Female to Female Adapter
Designed to connect two male 3.5mm connectors while maintaining excellent microwave performance.
3.5mm Male to Female Adapter
Ideal for extending RF connections while ensuring low insertion loss.
Between-Series 3.5mm Adapters
Available in combinations including:
- 3.5mm to SMA
- 3.5mm to 2.92mm
- 3.5mm to 2.4mm
- 3.5mm to 1.85mm
- 3.5mm to SMP
- Custom RF Adapter Configurations
Precision Microwave Adapters
Manufactured with tight tolerances for laboratory-grade measurements and calibration applications.
Applications of 3.5mm Coaxial Adapters
Our 3.5mm Coaxial Adapters are widely used in:
- Vector Network Analyzer (VNA) testing
- RF calibration laboratories
- Microwave communication systems
- Aerospace electronics
- Defense communication systems
- Satellite communication
- Radar systems
- RF production testing
- Test & measurement equipment
- Microwave component testing
- Research & Development laboratories
- High-frequency communication systems
- 5G infrastructure
- Industrial RF applications
Key Performance Factors
Selecting the right 3.5mm Coaxial Adapter ensures accurate RF measurements and dependable microwave performance.
- Precision 50 Ohm impedance
- Frequency support up to 26.5 GHz
- Low insertion loss
- Low VSWR
- Excellent return loss
- High mechanical durability
- Precision threaded coupling
- Corrosion-resistant construction
- Excellent repeatability
- Superior signal integrity
- High-quality CNC machining
- Long operational life
High-quality 3.5mm Coaxial Adapters reduce connector mismatch, improve measurement accuracy, and ensure reliable RF connectivity for telecom, aerospace, defense, satellite communication, radar, and advanced microwave applications.
3.5mm Coaxial Adapter Specifications
| Product Type | Impedance | Frequency Range | Application |
|---|---|---|---|
| 3.5mm Male to Male Adapter | 50 Ohm | DC to 26.5 GHz | Connect Female RF Ports |
| 3.5mm Female to Female Adapter | 50 Ohm | DC to 26.5 GHz | Connect Male RF Ports |
| 3.5mm Male to Female Adapter | 50 Ohm | DC to 26.5 GHz | RF Signal Extension |
| 3.5mm to SMA Adapter | 50 Ohm | DC to 26.5 GHz | RF Test Equipment |
| 3.5mm to 2.92mm Adapter | 50 Ohm | DC to 26.5 GHz | Microwave Measurements |
| 3.5mm Precision Adapter | 50 Ohm | DC to 26.5 GHz | Vector Network Analyzer (VNA) |
| 3.5mm Coaxial Adapter | 50 Ohm | DC to 26.5 GHz | Microwave Communication |
| 3.5mm RF Test Adapter | 50 Ohm | DC to 26.5 GHz | RF Calibration |
| 3.5mm Laboratory Adapter | 50 Ohm | DC to 26.5 GHz | Research & Development |
| 3.5mm Precision Microwave Adapter | 50 Ohm | DC to 26.5 GHz | High Frequency RF Systems |
Why Choose us
Precision RF Engineering
Our 3.5mm Coaxial Adapters are manufactured to deliver exceptional electrical performance and dependable microwave connectivity.
Premium Manufacturing
Manufactured using advanced CNC machining, premium materials, and rigorous quality control to ensure consistent performance.
Low VSWR & Excellent Return Loss
Designed to minimize signal reflections while maximizing RF measurement accuracy.
Manufactured in India
All our 3.5mm Coaxial Adapters are manufactured in India using precision engineering, premium raw materials, and advanced testing procedures to ensure long service life and dependable RF performance.
Frequently Asked Questions
A 3.5mm Coaxial Adapter is a precision RF connector used to connect different coaxial interfaces while maintaining accurate 50 Ohm impedance and high-frequency signal integrity.
Most precision 3.5mm Coaxial Adapters support frequencies from DC to 26.5 GHz.
Standard 50 Ohm impedance for precise RF and microwave applications.
They are widely used in RF testing, microwave communication, aerospace, defense, radar systems, satellite communication, and laboratory measurement equipment.
We manufacture Male-to-Male, Female-to-Female, Male-to-Female, and custom between-series adapter configurations.
Yes. They are widely used with Vector Network Analyzers, spectrum analyzers, signal generators, and microwave calibration equipment.
Yes. SRFS Teleinfra manufactures customized 3.5mm RF Adapters based on connector combinations and application requirements.
Yes. All our 3.5mm Coaxial Adapters are manufactured in India using precision machining, premium materials, and strict quality control procedures.
Our adapters are manufactured using stainless steel bodies, beryllium copper contacts, gold plating, and high-performance dielectric materials.
SRFS Teleinfra offers precision-engineered 3.5mm Coaxial Adapters with outstanding RF performance, customized solutions, stringent quality testing, competitive pricing, fast delivery, and expert technical support for telecom, aerospace, defense, satellite communication, and microwave industries.