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RF Measurement
RF Equipment
About
Measure with Confidence. Built to Last.
43 Series Wattmeters
Measure with Confidence. Built to Last.
For over 70 years, the Bird 43 Wattmeter has defined what RF professionals expect from their tools: rugged reliability, field-ready simplicity, and precision you can trust under pressure. From military bases to broadcast towers, from mobile radio shops to industrial facilities—the 43 Series is there, doing the work.
Built around our field-proven Thruline® design, these portable insertion-type wattmeters provide direct, accurate measurement of forward and reflected RF power—without complex setup or calibration.
Which Wattmeter Do You Need?
Analog Power (CW, FM)
Model 43
- Accurate analog readings
- Field-proven and serviceable
- Accuracy +/-5%, full-scale
Peak Power (SSB, AM)
Model 43P
- Adds peak envelope power (PEP)
- Same design as Model 43
- Use with modulated signals
Signal Sampling + Monitoring
Model 4431
- RF sampling output via BNC
- Connect to counters or analyzers
- Based on Model 43 platform
Low-Power Accuracy
Model 4304A
- 25–1000 MHz fixed element
- Range switch built in
- CW, AM, FM, analog TV
Wideband PEP
Model 4314C
- 450 kHz–1.2 GHz
- True PEP and CW readings
- AM, SSB, analog TV
Trusted in RF Since 1948
Why RF Pros Choose Bird
Bird wattmeters are the standard for accurate, durable RF power measurement. From analog tools to peak power models, professionals trust Bird when it has to work—every time.
Proven Wattmeters. Trusted Results.
