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Reliable Loads for high-power RF testing and system protection

150 Watt RF Load Series

Bird’s 150 W loads provide dependable power absorption for RF systems where compact size and rugged construction are essential. Ideal for transmitter testing, load substitution, and system maintenance, these convection-cooled loads deliver low VSWR and consistent performance across a broad range of mid-to-high power RF applications.

Why Choose the 150 W Series

Explore the 150 W Series Loads

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 2 GHz @ 1.15:1 max
2 to 3 GHz @ 1.25:1 max
N (f)
1.1 in x 1.0 in x 1.8 in
27.9 mm x 25.4 mm x 45.7 mm
2.2 oz (62.5 g)
DC to 1 GHz @ 1.10:1 max
1 to 3.0 GHz @ 1.25:1 max
N (f)
8.1 in x 4.0 in x 4.0 in
(206 mm x 102 mm x 102 mm)
5.0 lb (2.3 kg)
DC to 1 GHz @ 1.10 max
1 to 2.5 GHz @ 1.2 max
2.5 to 4 GHz @ 1.3 max.
N (f)
9.6 in x 4 in x 6.5 in
(243 mm x 102 mm x 164 mm)
6.0 lb (2.7 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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