A digital upgrade service that preserves the original aesthetics of the BIRD® 43 and BIRD® 4431 while transforming your analog wattmeter into a modern, high-readability instrument. The upgrade replaces the analog microammeter with a microcontroller-based module featuring a TFT touchscreen display. This enables real-time digital measurements in CW and PEP modes, along with logging capabilities and connectivity options — all without soldering or irreversible modifications. An ideal solution for RF technicians and radio amateurs who seek modern precision, reliability, and a flawless result, while maintaining the soul of an iconic RF power measurement instrument.
Compatibility & Installation
- Compatible with BIRD® 43 and BIRD® 4431
- Shielded front-end for current sensing from the measurement element
- Pre-assembled and fully tested module
- Fast installation in minutes, with no irreversible modifications
Practical Advantages
- Digital accuracy while preserving the classic BIRD® wattmeter look
- Clear digital readout, easily visible even from a distance — no scales or needles to interpret
Photos and details shown are indicative and not contractually binding. The product may be subject to change without notice.
Display
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3.5″ TFT touch display, 320×240 pixels, 16.7 million colors, 900 nits brightness (readable in direct sunlight);
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Native anti-aliasing graphics, accurate reproduction of the original dial scales;
Configuration Parameters
- Measurement settings, plug power, and display brightness stored in EEPROM
- CW and PEP measurement modes
- Customizable dial (feature under development)
Power & Charging
- Integrated protected 3.7 V 2500 mAh Li-Ion battery
- Estimated battery life: 10–14 hours depending on brightness
- USB-C charging, approximately 6 hours for a full charge
Measurement & Data Logging
- Real-time RF readings
- Configuration and parameters stored in EEPROM
- RTC clock with backup battery for date/time (currently not available)
- USB/Serial interface (115200, n,8,1) for data transfer up to 10 readings per second
- Wi-Fi AP/STA interface for logging to microSD (currently not available)
BIRD® is a registered trademark of Bird Technologies.
This product is a third-party retrofit compatible with BIRD® 43 and BIRD® 4431 instruments.
It’s not an original product of Bird Technologies and is not affiliated with, authorized, endorsed, or approved by Bird Technologies.