mAT-125S Universal HF Automatic Tuner 1.8-54 MHz 120W

The mAT-125S from mAT-TUNER is the ideal solution for amateur radio operators looking for a universal, reliable, and easy-to-use automatic antenna tuner. Unlike tuners dedicated to a specific brand, the mAT-125S interfaces via the RF coaxial cable and does not require a proprietary control cable, making it compatible with almost all HF transceivers (Icom, Yaesu, Kenwood, Xiegu, etc.).

Its robust architecture allows it to support up to 120W of power, covering all HF bands as well as 6 meters. Thanks to its optimized tuning algorithms, it generally finds the best impedance in less than 5 seconds. Its compact size facilitates its integration into a fixed station or its transport for portable operations (POTA/SOTA).

Detailed Features

• Universal Compatibility: Works with any HF transceiver capable of transmitting a continuous carrier for tuning.
• Wide Coverage: Effective from 1.8 MHz to 54 MHz.
• Power: Supports up to 120W PEP, suitable for most standard 100W radios.
• Ease of Use: Intuitive front panel with LED indicators for SWR (ROS) and power.
• Flexibility: TUNE/BYPASS switch allows bypassing the tuner without disconnecting cables.
• Standard Connectivity: Input and output via UHF (SO-239) connectors and dedicated ground terminal.

Technical Specifications

FAQ