The MFJ-939Y Automatic Antenna Tuner is an exceptional choice for amateur radio enthusiasts using rigs like the FT950, FT450, and FT891. This Plug & Play tuner is designed for seamless integration, allowing users to focus on their communication without the hassle of manual adjustments. It automatically tunes your antenna as you adjust your radio, ensuring that the Standing Wave Ratio (SWR) remains consistently low. Capable of tuning coax-fed or random wire antennas across a frequency range of 1.8 to 30 MHz, it supports power levels from 2 Watts QRP to a robust 200 Watts for SSB and CW.

One of the standout features of the MFJ-939 is its impressive matching capability. It accommodates impedances from 6 to 1600 Ohms and handles SWR ratios up to 32:1. This wide matching range is 50% greater than many competing products, which often come at a higher price point. Additionally, the MFJ-939 is proudly made in the USA, ensuring quality and reliability for users. Its ultra-fast tuning technology allows for intelligent adjustments, making it ideal for various operating scenarios, whether engaged in casual rag-chewing, competitive contesting, or chasing DX.

Another significant advantage is the tuner’s advanced memory system, which can store up to 20,000 unique settings. As operators use the MFJ-939, it learns their preferences and antenna characteristics, optimizing performance over time. This feature enhances user experience and streamlines the tuning process, allowing for an instant match every time. With its functionality, efficiency, and user-friendly design, the MFJ-939Y is a valuable tool for any serious amateur radio operator.