Description
The 30dB 2W RF Fixed Attenuator is a high-performance passive component designed to reduce the power of an RF signal by exactly 30dB, providing a precise 1000:1 power reduction. With a 2-Watt power handling capacity, it provides a robust solution for low-to-medium power signal conditioning where high accuracy and signal integrity are critical. This model is engineered for a wide frequency spectrum from DC to 6GHz, ensuring full compatibility with sub-6GHz 5G NR, Wi-Fi 6, Bluetooth, and advanced telecommunications bands.
The attenuator features an SMA Male to SMA Female inline configuration, utilizing a precision threaded coupling mechanism that provides high mechanical stability and excellent RF shielding in a small form factor. It is constructed with high-stability resistive elements and premium PTFE dielectric to ensure a flat frequency response and low Voltage Standing Wave Ratio (VSWR) across its entire bandwidth. Housed in a stainless steel or passivated brass body, it offers superior durability and corrosion resistance, making it suitable for high-density microwave assemblies and professional laboratory environments.
Key Technical Advantages
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Precise 30dB Attenuation: Provides a reliable 1000-fold power reduction, essential for balancing signal chains and preventing the saturation of sensitive receiver front-ends or analyzer inputs.
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Broad 6GHz Bandwidth: Provides a versatile solution for modern high-speed wireless technologies, maintaining performance from DC through the 6GHz range.
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Excellent Impedance Matching: Frequently used as an impedance “pad” to improve the VSWR between mismatched components, reducing signal reflections and protecting upstream sources.
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Ultra-Compact Design: The SMA interface and streamlined body allow for high-density integration in tight spaces and portable test setups.
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High-Reliability SMA Interface: Features precision-machined threads designed for a secure, low-loss connection and long-term durability over hundreds of mating cycles.
Key Features
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Interface Type: SMA Male (Plug) to SMA Female (Jack).
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Attenuation Value: 30dB (Fixed).
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Power Rating: 2 Watts (Continuous).
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Frequency Range: DC – 6.0 GHz.
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Impedance: 50 Ohm (Standard).
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Construction: Stainless Steel or Passivated Brass with PTFE dielectric.
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Common Application: 5G and Wi-Fi 6 signal testing, laboratory measurements, inter-stage isolation in microwave circuits, and protection of sensitive test ports.
Technical Summary
| Parameter | Specification |
| Impedance | 50 Ohm (Nominal) |
| Frequency Range | DC – 6 GHz |
| Attenuation Accuracy | ±0.6 dB to ±0.9 dB |
| VSWR | ≤ 1.25:1 (Typical) |
| Max Input Power | 2 Watts (Average) |
| Peak Power | 50 Watts (5µs pulse width) |
| Operating Temp | -55°C ~ +125°C |







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