Description
 The 20dB 2W RF Fixed Attenuator is a high-performance passive component designed to reduce the power of an RF signal by exactly 20dB, providing a precise 100:1 power reduction. With an enhanced 2-Watt power handling capacity, it offers double the headroom of standard consumer attenuators, making it ideal for commercial distribution hubs and headend systems. This model is optimized for a wide frequency spectrum from DC to 3GHz, ensuring full compatibility with advanced digital cable (DOCSIS 3.1/4.0), satellite IF bands, and modern broadband services.
The attenuator features an F-Type Male to F-Type Female inline configuration, the standard high-reliability interface for video and data distribution. It is constructed with high-stability resistive elements that provide excellent frequency flatness and maintain critical impedance matching throughout the 3GHz bandwidth. Housed in a ruggedized nickel-plated brass body, it ensures superior shielding effectiveness and mechanical durability, effectively resolving issues related to signal overload and receiver saturation in high-gain environments.
Key Technical Advantages
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Precise 20dB Reduction: Delivers a reliable 100-fold power reduction, essential for balancing signal levels across large distribution networks and protecting sensitive tuners.
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Extended 3GHz Bandwidth: Fully supports high-frequency satellite and next-generation cable architectures, far exceeding the limits of standard 1GHz components.
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Enhanced 2W Power Rating: Robust thermal design allows the component to handle higher signal levels without performance degradation or risk of failure.
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75 Ohm Impedance Matching: Specifically engineered to match the characteristic impedance of F-type systems, minimizing reflections and protecting signal integrity.
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Durable Construction: Features a corrosion-resistant nickel-plated finish and precision-machined threads for long-term reliability in professional installations.
Key Features
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Interface Type: F-Type Male (Plug) to F-Type Female (Jack).
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Attenuation Value: 20dB (Fixed).
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Power Rating: 2 Watts (Continuous).
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Frequency Range: DC – 3.0 GHz.
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Impedance: 75 Ohm (Standard).
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Construction: Nickel-Plated Brass with high-grade dielectric.
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Common Application: Satellite IF signal leveling, commercial CATV headends, DOCSIS 3.1/4.0 networks, and protecting broadband test equipment.
Technical Summary
| Parameter | Specification |
| Impedance | 75 Ohm (Nominal) |
| Frequency Range | DC – 3 GHz |
| Attenuation Accuracy | ±0.5 dB to ±0.8 dB |
| VSWR | ≤ 1.30:1 (Typical) |
| Max Input Power | 2 Watts (Average) |
| Return Loss | ≥ 18 dB |
| Operating Temp | -40°C ~ +85°C |
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