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Versatile, high-performance loads for demanding RF systems and test environments

300 Watt RF Load Series

Bird’s 300 W loads are engineered for flexibility, durability, and reliable performance in demanding RF environments. With convection- and conduction-cooled designs, they offer stable operation across a wide frequency range. Multiple form factors support test benches, racks, and fixed installations, while each model handles continuous RF power with low VSWR—ensuring long-term reliability without compromise.

Why Choose the 300 W Series?

Explore 300 Watt Series Loads

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DC to 3 GHz | Conduction-Cooled Loads

300-CT Series

Conduction-cooled design for fixed installations where efficient heat transfer and space-saving integration are key. Easy to mount and built for long-term stability in embedded or high-power RF systems.

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DC to 2.4 GHz | Convection-Cooled Loads

300 T Series

Convection-cooled, general-purpose termination ideal for bench testing and system protection. Compact, reliable, and suited for continuous RF loads in controlled environments.

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DC to 2.4 GHz | Convection-Cooled Loads

300-WT Series

Fully convection-cooled and maintenance-free, this dry termination requires no fluids or servicing—making it perfect for applications where uptime, simplicity, and clean operation are essential.

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8072A Series | Conduction-Cooled Loads

8072A Series

Rugged, portable load with proven performance for RF testing and standby operation. Compact, self-contained, and ideal for technicians working in the field or on service benches handling higher power.

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 @ 1.10:1 max
1 GHz to 3 GHz @ 1.25:1 max
N (f)
4.4 in x 2.0 in x 1.03 in
(111.76 mm x 50.8 mm x 26.16 mm)
12 oz (340 g)
DC to 1 GHz @ 1.10:1 max
1 GHz to 2.4 GHz @ 1.25:1 max
N (f)
7.4 in x 5.4 in x 10.9 in
(188 mm x 138 x 277 mm)
11.5 lb (5.3 kg)
DC to 1 GHz @ 1.10:1 max
1 GHz to 2.4 GHz @ 1.25:1 max
N (m)
7.4 in x 5.4 in x 10.9 in
(188 mm x 138 x 277 mm)
11.5 lb (5.3 kg)
DC to 1 GHz @ 1.10:1 max
1 GHz to 2.4 GHz @ 1.25:1 max
7/16 DIN (f)
8.2 in x 5.4 in x 4.8 in
(209 mm x 138 x 122 mm)
4.7 lb (2.2 kg)
DC to 1 GHz @ 1.10:1 max
1 GHz to 2.4 GHz @ 1.25:1 max
N (f)
8.2 in x 5.4 in x 4.8 in
(209 mm x 138 x 122 mm)
4.7 lb (2.2 kg)
DC to 1 GHz @ 1.10:1 max
1 GHz to 2.4 GHz @ 1.25:1 max
N (m)
8.2 in x 5.4 in x 4.8 in
(209 mm x 138 x 122 mm)
4.7 lb (2.2 kg)
DC to 1 GHz @ 1.10 max
1 GHz to 2.5 GHz @ 1.20 max
N (f)
4-25/64 in x 2 in x 1-1/32 in
(110 x 51 x 26mm)
12 oz (.34 kg)
2.7 to 2.9 GHz @ 1.15 max
N (f)
4-25/64 in x 2 in x 1-1/32 in
(110 x 51 x 26mm)
12 oz (.34 kg)
  Swipe for more  

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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