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RF Attenuators

Welcome to Metabee. We specialize in manufacturing high-performance RF attenuators designed for reliability and precision. As a leading connector manufacturer with our factory, we combine cutting-edge technology with stringent quality control to deliver products that meet global standards. We offer an unparalleled selection of attenuator types and attenuation values and powers, including SMA, BNC, N-type, DIN, and variable attenuators; and models with power ratings of 2W, 25W, 50W, 150W, 300W, and 500W, among others.

Why choose Metabee?

  • Expert Engineering Team – Professional R&D support for optimal performance.
  • Premium Materials – High-grade components for durability and signal integrity.
  • Factory Direct & Bulk Discounts – Eliminate middlemen and enjoy cost-effective pricing.
  • Responsive Sales & Service – Instant online communication and after-sales support.
  • Custom Solutions – Flexible OEM/ODM services to match your unique requirements.

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FAQs:

An RF attenuator is a passive electronic device that reduces the amplitude or power of an RF signal without significantly distorting its waveform. Think of it like a "volume knob" for RF signals..
They are used to protect sensitive equipment from high signal levels, ensure proper impedance matching to minimize reflections and VSWR, and enable controlled signal testing and calibration.
Common RF connectors include SMA, N-type, BNC, and DIN, depending on the frequency range and power level of the application.
Attenuation is specified in decibels—e.g., 3 dB halves the power, 6 dB reduces to one quarter, 10 dB to onetenth. Select based on the desired output power relative to input to prevent overload.
Common types include:
  • Fixed attenuators: Provide a constant, unchangeable attenuation level (e.g., 3 dB, 10 dB). 
  • Variable attenuators: Allow for manual adjustment of the attenuation level.
  • Step attenuators: Offer a series of fixed attenuation steps that can be selected.
  • Programmable attenuators: Electronically controllable, often used in automated test systems.
  • Important specifications include:
  • Attenuation value : The amount of signal reduction.
  • Frequency range : The range over which the attenuator operates effectively.
  • Power handling : The maximum RF power the attenuator can dissipate without damage.
  • Impedance : Typically 50 or 75 ohms for RF applications.
  • VSWR: A measure of how well the attenuator is impedance-matched, indicating minimal signal reflection.
  • Connector type: SMA, N-type, BNC, DIN.