Dosy TB-3001P

The Dosy TB-3001P is a professional-grade inline test center for CB and amateur radio operators, featuring triple 2.5-inch LED-backlit meters that simultaneously measure SWR, AM modulation percentage, and peak power output.
Key Features and Specifications
The Dosy TB-3001P is designed for optimizing antenna performance and ensuring efficient transmissions in both mobile and base station setups.
Display: Features three large 2.5-inch, black-faced, LED-backlit analog meters for clear visibility and simultaneous monitoring of all functions.
Measurements: Provides real-time readouts for:
Antenna SWR (Standing Wave Ratio).
AM Modulation percentage.
Peak Power output (reads both RMS and peak power).
Power Ranges: Offers three selectable wattage ranges: 0-10W, 0-100W, and 0-1000W.
Power Requirement: Includes a power pack (AC adapter) for reliable meter illumination using 12V DC.
Construction: Made in the USA with “Dosy Professional Architecture” for quality construction and performance.
User and Expert Opinions
Reviewers and users generally find the Dosy TB-3001P to be a reliable and accurate tool for radio performance monitoring.
Reviewers on eBay describe the meter as “very nice,” “accurate,” and a “good value”.
One user on a Facebook group reported that the company offered excellent customer service, recalibrating their unit when it didn’t work right initially and covering shipping costs both ways.
The simultaneous display of SWR, modulation, and power is a highly valued feature among users, making it a comprehensive test set.