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Oil-Cooled
150 Watt RF Load

The Model 8135 is a rugged, self-contained coaxial RF load designed for general-purpose testing up to 4 GHz. Built for versatility on the bench or in the field, it’s ideal for aligning transmitters, simulating antenna loads, and performing non-radiating system checks.

Its oil-dielectric design supports reliable 150-watt continuous operation without external power, ensuring consistent performance in demanding RF environments.

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Why Choose the 8135 Load?

8135 Specifications

Model Number
Frequency Range and VSWR
Connector
Dimensions
Weight
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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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Accessories

Compatible accessories to support installation, operation, and maintenance.

Why RF Experts Choose Bird

For over 80 years, RF professionals have trusted Bird loads to deliver unmatched stability, low VSWR, and rugged reliability—whether on the bench or in the field. These aren’t just terminations—they’re peace of mind for your entire system.

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