Bird Plug-In Elements are built to work as hard as you do—rugged enough for field conditions and dependable for everyday RF power measurements. Available in a wide range of frequency and power combinations, each element pairs with Bird wattmeters and line sections to deliver consistent, trusted readings.

Swap elements to match the system you’re testing—whether tuning a transmitter, checking VSWR, or verifying power—so you can keep your RF systems running smoothly.

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Element Selection Guide

Choose the correct element based on your application’s frequency and power—ensuring reliable, directional RF measurements.

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Family

All Standard Milliwatt Elements Low Power Pulse Power High Frequency APM Elements DPM Elements 4410 Elements Directional Coupler Non-Directional Sampler 4304A Element

Power of Interest

<1 W 1 to <100 W 100 to 1000 W >1 kW

Power

All 100 mW 250 mW 500 mW 1 W 2.5 W 5 W 10 W 25 W 50 W 100 W 250 W 500 W 1 kW 2.5 kW 5 kW 10 kW

Frequency of Interest

All <30 MHz 30 MHz to <100 MHz 100 MHz to <400 MHz 400 MHz to 800 MHz >800 MHz

Frequency Range

All 0.45 MHz to 2.5 MHz 1.1 GHz to 1.26 GHz 100 MHz to 250 MHz 100 MHz to 400 MHz 105 MHz to 120 MHz 108 MHz to 118 MHz 108 MHz to 136 MHz 110 MHz to 160 MHz 116 MHz to 126 MHz 125 MHz to 250 MHz 130 MHz to 150 MHz 136 MHz to 150 MHz 144 MHz to 520 MHz 150 MHz to 250 MHz 2 MHz to 30 MHz 200 MHz to 1 GHz 200 MHz to 300 MHz 200 MHz to 500 MHz 200 to 535 kHz 225 MHz to 450 MHz 25 MHz to 1 GHz 25 MHz to 30 MHz 25 MHz to 60 MHz 25 MHz to 80 MHz 275 MHz to 450 MHz 290 MHz to 340 MHz 30 MHz to 40 MHz 320 MHz to 340 MHz 328 MHz to 336 MHz 329 MHz to 336 MHz 350 MHz to 400 MHz 40 MHz to 50 MHz 400 MHz to 1 GHz 400 MHz to 420 MHz 400 MHz to 450 MHz 400 MHz to 800 MHz 400 MHz to 850 MHz 420 MHz to 450 MHz 425 MHz to 850 MHz 450 MHz to 470 MHz 450 MHz to 500 MHz 50 MHz to 100 MHz 50 MHz to 125 MHz 50 MHz to 200 MHz 50 MHz to 60 MHz 72 MHz to 76 MHz 75 MHz to 150 MHz 750 MHz to 1.25 GHz 80 MHz to 95 MHz 800 MHz to 1 GHz 800 MHz to 960 MHz 95 MHz to 125 MHz 95 MHz to 150 MHz 950 MHz to 1.1 GHz

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Element Families

Bird Elements are categorized into different families to make selecting elements easier.

Standard

These elements are the go-to for any RF engineer and collectively cover a huge range of power and frequencies.

See the Standard Elements

Low Power

Elements with a power scale maximum from 1 W to 2.5 W are grouped into this family.

See the Low Power Elements

High Frequency

Elements supporting frequencies from 950 MHz to 1.26 GHz are in this family.

See the High Frequency Elements

Pulse Power

Measuring pulsed RF power requires different technology, this family is engineered to accurately measure it with compatible wattmeters.

See the Pulse Power Elements

Milliwatt

Elements with a power scale maximum <1 W can be found in this family.

See the Milliwatt Elements

APM

With the APM-16 Wattmeter, these elements deliver true average RF power of conventional and complex signals.

See the APM Elements

DPM

These elements excel in measuring complex and digital signals exclusively with the 5014 Directional Power Sensor.

See the DPM Elements

Couplers/Samplers

Both Directional and Non-Directional Samplers tap your RF line and provide an output for use with spectrum analyzers, data loggers, or other equipment.

4410

These elements work with the 4410A and 4412A wattmeters to cover wide power ranges, giving up to 37 dB dynamic range.

See the 4410 Elements

4304A Element

The 4304A-1 is unique in that it's designed to support a wide range of power frequencies, but is only compatible with the 4304A Wattmeter.

See the 4304A Wattmeter

Need a Recalibration?
We've Got You Covered.

Keeping your RF sensors accurate is simple with the Bird Service Center. Just use the link below - quick, simple, and handled by the experts who know your products the best. We'll get your sensor back in action fast, with the confidence you can count on.

In a hurry? Ask about our Expedited services.

Get a Calibration Quote

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Bird Technologies

30303 Aurora Rd.
Solon, OH 44139

440-248-1200

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Bird Plug-In Elements

Element Selection Guide

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