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    1~90dB 5W Variable RF Step Attenuator

    Favorable price variable RF step attenuator for sale, frequency range from DC to 3.6GHz, attenuation range from 1dB to 90dB, working at 5W power. This variable attenuator is an electronic device designed to continuously adjust signal strength in high-power radio frequency (RF) applications. Employing SMA female connectors, enables seamless integration into RF systems, offering precise control over signal levels.
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    ATO variable RF step attenuators can meet high-power RF scenarios, ensuring reliable performance across a range of frequencies. With its electronic control mechanism, users can dynamically and remotely adjust attenuation levels, enhancing flexibility in RF setups. Its variable nature allows users to finely tune attenuation in incremental steps, facilitating optimal signal management for diverse applications. The variable RF attenuator stands as a crucial component in achieving optimal signal quality and integrity in high-power electronic communication systems.


    • Model: ATO-MAT-90
    • Frequency Range: DC~3.5GHz
    • Standing Wave Ratio: 1.30 (Max)
    • Attenuation Range: 1~90dB
    • Power: 5W
    • Attenuation Step: 1dB
    • Connector Type: SMA female
    • Insertion loss: ≤1dB (DC~1GHz), ≤2dB (1~2GHz), ≤3dB (2~3GHz), ≤4dB (3~3.5GHz)
    • Attenuation accuracy: ±0.8dB (0~10dB), ±1.2dB (10~50dB), ±3%dB (≥50dB)

    Dimension (Unit: mm)

    1~90dB 5W variable RF attenuator dimension

    Tips: Fixed attenuator vs. variable attenuator

    Fixed attenuators and variable attenuators are devices used in electronic circuits to reduce the amplitude of a signal. A fixed attenuator provides a constant level of attenuation, typically expressed in decibels (dB), and its value cannot be adjusted. It is suitable for applications where a specific and constant reduction in signal power is required.

    On the other hand, a variable attenuator allows the user to adjust the level of attenuation according to their needs. This flexibility makes variable attenuators versatile in situations where signal strength may vary or when precise control over attenuation is necessary. Variable attenuators often feature adjustable settings, such as a rotary knob or a digital interface, enabling users to fine-tune signal levels. The choice between fixed and variable attenuators depends on the specific requirements of the application and the desired level of control over signal attenuation.

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