Description
The 6dB 1W RF Fixed Attenuator is a high-performance passive component designed to reduce the power of an RF signal by exactly 6dB, which corresponds to a 4:1 power reduction. With a 1-Watt power handling capacity, it is optimized for low-power signal conditioning where precision and flat frequency response are critical. This model is engineered for a wide frequency spectrum from DC to 8GHz, making it an essential tool for sub-6GHz 5G NR, Wi-Fi 6E (6GHz band), satellite C-band, and various point-to-point microwave links.
The attenuator features an SMA Male to SMA Female inline configuration, allowing for seamless integration into existing signal paths or direct connection to measurement equipment. It is constructed using high-stability resistive elements that ensure exceptional frequency flatness and a low Voltage Standing Wave Ratio (VSWR) even at the upper limits of the 8GHz range. The housing is manufactured from stainless steel or passivated brass, providing a ruggedized exterior that ensures consistent electrical performance and high durability over hundreds of mating cycles.
Key Technical Advantages
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Extended 8GHz Bandwidth: Provides a versatile solution for modern wireless technologies, including the 6GHz and 7GHz bands used in Wi-Fi 6E and Wi-Fi 7.
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Precise 6dB Attenuation: Delivers a consistent power reduction, essential for balancing signal strength in complex RF distribution networks and protecting sensitive receiver front-ends.
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Excellent Impedance Matching: Precision-engineered internals ensure a low VSWR, minimizing signal reflections that could otherwise skew measurement results or damage upstream sources.
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Compact and Lightweight: The 1W power rating is contained in a streamlined form factor, making it ideal for high-density equipment racks and portable test kits.
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High-Reliability SMA Interface: Features standard high-quality SMA connectors with gold-plated center contacts for low contact resistance and long-term signal stability.
Key Features
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Interface Type: SMA Male (Plug) to SMA Female (Jack).
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Attenuation Value: 6dB (Fixed).
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Power Rating: 1 Watt (Continuous).
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Frequency Range: DC – 8.0 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: Wi-Fi 6E/7 testing, signal leveling in wireless systems, inter-stage isolation in RF chains, and laboratory power measurement.
Technical Summary
| Parameter | Specification |
| Impedance | 50 Ohm (Nominal) |
| Frequency Range | DC – 8 GHz |
| Attenuation Accuracy | ±0.5 dB to ±0.8 dB |
| VSWR | ≤ 1.30:1 (Typical at 8 GHz) |
| Max Input Power | 1 Watt (Average) |
| Peak Power | 25 Watts (5µs pulse width) |
| Operating Temp | -55°C ~ +125°C |






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