Teleworld RF | High-Performance RF & Microwave Components Supplier

Who We Are

Shenzhen Teleworld Microwave Co., Ltd. is a professional supplier of high-quality RF, Microwave, and mmWave components from China. Since 2009, we have been dedicated to the design and manufacturing of RF attenuators, terminations, and other passive components.

Our mission is to deliver reliable, precision-engineered solutions for telecommunications, aerospace, defense, and industrial applications worldwide. With continuous innovation and strict quality control, Teleworld RF has become a trusted partner for engineers and system integrators.

15+

Years Experience

50+

Countries Served

Our Product Range

High-performance RF and microwave passive components engineered for reliability, precision, and durability across a wide range of frequencies and power levels.

Coaxial Fixed Attenuator

Power ratings from 1W to 1000W, available in multiple connector types including SMA, N, 3.5mm, and more.

• 0.5dB to 60dB attenuation
• DC to 40GHz
• Low VSWR, high accuracy

RF Termination Load

High-power dummy loads and terminations from 1W to 1000W for testing and signal absorption.

• 50Ω impedance
• Air-cooled & heat sink designs
• Up to 18GHz frequency range

Power Divider

Microstrip and resistive power dividers with 2-way to 32-way configurations.

• 0.5dB to 30dB split ratios
• DC to 26.5GHz
• Low insertion loss

DC Block

In-line and bias-tee configurations for blocking DC while passing RF signals.

• Inner, outer, or both DC blocked
• Up to 67GHz
• Low leakage current

Directional Coupler

High-directivity couplers for signal sampling, monitoring, and measurement.

• 3dB to 40dB coupling
• 50Ω system impedance
• DC to 26.5GHz

3dB Hybrid Coupler

90° and 180° hybrids for balanced amplifiers, mixers, and antenna beamforming.

• 50Ω matched ports
• Low amplitude/phase imbalance
• Up to 18GHz

Cable Assemblies

Precision RF cables with low loss, phase stability, and rugged connectors.

• RG316, RG402, LMR, Semi-Rigid
• Custom lengths & connectors
• DC to 40GHz

Connectors & Adapters

Wide range of coaxial connectors and gender-changing adapters.

• 1.0mm, 1.85mm, 2.4mm, 2.92mm
• SMA, N, 3.5mm, 7/16, QMA
• Precision-machined brass & stainless

View Full Product Catalog

Why Choose Teleworld RF?

High Reliability

Engineered for mission-critical applications with rigorous testing and quality assurance.

Fast Delivery

Global shipping with standard lead times of 1–2 weeks for most in-stock items.

Custom Solutions

We support OEM/ODM projects with custom designs, labeling, and packaging.

Frequently Asked Questions

What is the frequency range of your coaxial attenuators?

Our fixed attenuators support frequencies from DC up to 40GHz, depending on the model and connector type.

Do you offer custom cable assemblies?

Yes, we provide custom RF cable assemblies with various lengths, connectors, and cable types including semi-rigid and low-loss options.

What certifications do your products have?

Our manufacturing processes follow ISO9001 standards, and we provide RoHS-compliant components with full traceability.

Can I get samples before placing an order?

Yes, sample units are available upon request. Contact us through the official website for sample inquiries.

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Precision RF & Microwave Components