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Reliable, Compact Loads for Medium-Power RF Testing

250 Watt RF Load Series

The 250 W Load Series offers dependable solutions for technicians and engineers working with base stations, service benches, and fixed installations. Available in convection-cooled oil-dielectric models or conduction-cooled designs for integrated systems, these loads deliver stable performance and long-term reliability across a range of medium-power RF applications.

Why Choose the 250 W Series?

Explore the 250 Watt Series Loads

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DC to 2.4 GHz | Conduction-Cooled Loads

250-CT Series

Conduction-cooled loads designed for fixed installations and integrated RF systems. Compact and easy to mount, with reliable 250W performance where external heat sinking is available.

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DC to 2.5 GHz | Oil-Cooled Loads

8141

Portable, oil-cooled load for base station and bench testing up to 2.5 GHz. Delivers accurate, low-reflection termination with Quick-Change connectors and rugged construction for consistent medium-power operation.

Compare Models

Find the right RF load for your application—side-by-side technical specs across Bird’s trusted termination solutions.

Model Number
Frequency Range and VSWR
Connector
Dimensions
Weight
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DC to 1 GHz @ 1.15:1 max
1 GHz to 2.4 GHz @ 1.25:1 max
N (f)
2.36 in x 2.00 in x 1.062 in
(60.0 mm x 50.8 mm x 27.0 mm)
5.2 oz (147.6 g)
DC to 1 GHz @ 1.10 max
1 GHz to 1.8 GHz @ 1.2 max
1.8 to 2.5 GHz @ 1.3 max.
N (f)
9.6 in x 4 in x 6.5 in
(243 mm x 102 mm x 164 mm)
10 lb (4.5 kg)
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Why RF Pros Choose Bird Loads

Accuracy, protection, and lasting performance—Bird loads deliver where it counts. From convection to water- and air-cooled designs, each is built to absorb full RF power, minimize VSWR, and perform reliably in the toughest environments.

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