Single-Channel Rotary Joint DC-18GHz High Frequency

1. Product Overview

The product is a single-channel, high-frequency rotary joint designed for reliable RF signal transmission between stationary and rotating parts. It operates from DC to 18GHz, making it suitable for radar systems, electronic warfare platforms, satellite communication ground stations, microwave test turntables, and defense applications. The product supports non-standard customization, follows strict quality control, and ensures long operational life.

2. Key Features

• Frequency range: DC to 18GHz – covers most communication and radar bands
• Low insertion loss: ≤0.3dB typical – preserves signal strength
• Low VSWR: ≤1.25 – minimizes signal reflection
• Power handling: up to 100W from DC to 2GHz; 50W at 2-8GHz; 25W at 8-15GHz; 20W at 15-18GHz
• Rotation speed: 0 to 300 RPM
• Lifespan: minimum 10 million revolutions – reduces maintenance
• Torque: ≤0.5 N.m – smooth rotation
• Operating temperature: -40°C to +80°C
• Storage temperature: -55°C to +85°C
• Relative humidity tolerance: up to 95%
• Material: stainless steel – corrosion resistant
• IP rating: IP41 – protection against solid objects >1mm and dripping water
• Test standards: GJB150.9A-2009 (humidity), GJB150.16A-2009 (vibration), GJB150.18A-2009 (shock)

3. Applications

• Rotary radar antenna systems requiring stable 18GHz signal transmission
• Microwave anechoic chamber test turntables
• Satellite tracking ground station antennas
• Electronic warfare system rotating interfaces
• Military and aerospace communication links
• Medical imaging devices with rotating RF components
• Industrial high-frequency rotating platforms

4. Quality & Reliability Section

Each unit is tested to military-grade environmental standards. The product meets GJB150.9A-2009 for damp heat, GJB150.16A-2009 for vibration, and GJB150.18A-2009 for mechanical shock. Non-standard customization is available for harsh environments, extreme temperatures, higher IP ratings, or special connector types. We guarantee strict quality control at every production stage.

5. Why Choose This Product

• Non-standard customization: we adapt to your specific channel count, frequency, power, or mechanical interface requirements.
• Military-grade testing: validated under humidity, vibration, and shock conditions.
• Long service life: 10 million revolution minimum reduces system downtime.
• High-frequency performance: stable up to 18GHz with low loss and low VSWR.
• Stainless steel construction: durable for field and laboratory use.
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