10W SMA RF Fixed Attenuator DC-3GHz | 1dB to 40dB

10W SMA RF Coaxial Fixed Attenuator | DC-3GHz | 1dB–40dB

Precisely control signal levels in your RF and coaxial systems with this versatile 10W SMA Fixed RF Attenuator. Available in a wide range of attenuation values — 1dB, 2dB, 3dB, 5dB, 6dB, 10dB, 15dB, 20dB, 30dB, and 40dB — this attenuator covers DC to 3GHz, making it suitable for lab testing, signal analysis, amateur radio, wireless communication setups, and general RF engineering applications.

Featuring an SMA Male (Input) to SMA Female (Output) configuration, it integrates seamlessly into existing coaxial assemblies without additional adapters. The 50-ohm impedance and low VSWR (≤1.20) ensure minimal signal reflections and excellent insertion accuracy across the entire frequency range.

Made in Mainland China.

Key Features

• Wide Frequency Range: DC to 3GHz — ideal for most RF and microwave bench work
• 10W Average Power Handling for robust, reliable performance in demanding environments
• Multiple Attenuation Steps: 1, 2, 3, 5, 6, 10, 15, 20, 30, and 40dB options available
• Low VSWR ≤1.20 for excellent impedance matching and minimal signal reflection
• 50-Ohm Impedance — standard for RF coaxial systems
• SMA Male-to-Female Connector for easy in-line integration
• Tight Tolerance: ±0.5dB at lower values, up to ±2.0dB at 40dB
• Wide Operating Temperature: -40°C to +80°C for versatile deployment
• Indoor Application — purpose-built for lab, bench, and in-cabinet use
• Not Water Resistant — designed for controlled indoor environments

Technical Specifications

What's in the Box?

• 1 × 10W SMA RF Coaxial Fixed Attenuator (attenuation value as selected)

Perfect Pairing for Your Workshop

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Learn more: OSHA guidance on hand and power tools

Frequently Asked Questions

Q: What attenuation values are available for this 10W SMA RF attenuator?

A: This RF coaxial fixed attenuator is available in 10 attenuation values: 1dB, 2dB, 3dB, 5dB, 6dB, 10dB, 15dB, 20dB, 30dB, and 40dB. Each value is a separate, fixed-attenuation unit with its own tolerance specification.

Q: What is the frequency range and impedance of this SMA attenuator?

A: This attenuator covers DC to 3GHz with a standard 50-ohm impedance. It features a low VSWR of ≤1.20, ensuring excellent signal matching and minimal reflections across the full frequency range — suitable for most RF lab, testing, and amateur radio applications.

Q: Can this RF attenuator be used outdoors?

A: This attenuator is designed for indoor use only. It is not water resistant, so it should be used in controlled indoor environments such as labs, test benches, or equipment cabinets. Its operating temperature range of -40°C to +80°C makes it suitable for a wide variety of indoor settings.

Q: What connector type does this attenuator use?

A: It uses an SMA Male connector on the input side and an SMA Female connector on the output side, allowing straightforward in-line integration into standard SMA coaxial cable assemblies and RF test setups without needing extra adapters.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.