Digital RF Wattmeters

Precise Power Measurement for Complex RF Signals

Digital wattmeters are essential tools for accurately measuring digitally modulated RF signals such as CDMA, TDMA, FDMA, and more. From the all-new 4480A to the legacy APM-16, these instruments provide reliable power measurements that meet the demands of modern RF systems, ensuring optimal performance in telecommunications, broadcasting, and other RF-intensive applications.

4480A - Future-Proof, Element-Free Design Across a Broad Frequency Range

Designed for today’s RF workflows, the 4480A delivers digital precision without the complexity.

• Instantly displays forward and reflected power on a crisp digital screen
• Reduces interpretation errors with clear, direct numerical readings
• Streamlines workflows—no tuning, no moving parts, no guesswork
• Element-Free Design: No need for frequency-specific components, simplifying your operations

APM‑16 - Legacy, Frequency-Specific Power Measurement

A proven choice for RF professionals who need reliable average power measurement using Bird’s elements.

• Works with Bird’s plug-in elements
• Equally effective for measuring RF power in conventional analog systems
• Accurate average power readings for analog and digital signals
• Built for rugged, real-world field use