Bird’s 300 Watt Convection-Cooled RF Attenuators are built for applications that demand serious power handling and consistent performance. Whether isolating devices under test, protecting components, or analyzing signals, these attenuators deliver broadband coverage, robust construction, and maintenance-free operation—even in high-load environments.
With full shielding to prevent stray radiation and a self-cooling design that requires no external power or fans, the 300W Series provides long-term, reliable attenuation trusted by RF professionals worldwide.
Designed for high-power RF systems where reliability and signal control are critical.
Performs under load without fans or power sources—just install and go.
Minimizes interference and radiation, preserving the accuracy of your system and measurements.
300‑A Series
Rugged, bi-directional attenuator with connectors on the same side—ideal for high-power test setups and rackmount systems.
300‑WA Series
Uni-directional with a straight-through layout, built for system-level integration where space, shielding, and clarity all matter.
Find the right RF attenuator for your test setup.
In RF, a weak link costs time, damages equipment, and compromises results. That’s why professionals trust Bird attenuators—to perform where failure isn’t an option.
Whether you need air-cooled for quick swaps, oil-dielectric for high power, or convection-cooled for silent lab precision, Bird delivers proven durability, fast availability, and real support from RF engineers.
Talk to us to get the right attenuator—and get it right the first time.