FLEXRADIO FLEX-8400M ATU
The Ultimate Station, by HamRadioShop!
Fellow radio amateurs, here's the top of the range for the 8400 series!
The FlexRadio FLEX-8400M ATU represents the ultimate expression of versatility. In a single chassis, you get the power of 16-bit direct sampling, the convenience of an integrated touch display, and the reliability of a built-in automatic antenna tuner (ATU). No compromises, no external boxes: just you and your radio.
Technical Specifications
Equipped with a 4x faster CPU than the previous generation, the FLEX-8400M ATU easily handles adaptive pre-distortion (APD) for crystal-clear signals. Thanks to the integrated GNSS module, stability is guaranteed at the highest industry levels.
- Integrated antenna tuner (ATU) as standard.
- 8-inch IPS Touchscreen Display.
- 2 Independent Receivers (Slice RX).
- 115 dB RMDR and 155 dB Dynamic Range.
FlexRadio 2026 Range Comparison
| MODEL | POWER | SLICE RX | DISPLAY | TUNER (ATU) |
|---|---|---|---|---|
| AU-510 / 510M | 500W | 2 | No / 8" Touch | STANDARD |
| AU-520 / 520M | 500W | 4 | No / 8" Touch | STANDARD |
| FLEX-8400 | 100W | 2 | No | NO |
| FLEX-8400 ATU | 100W | 2 | NO | STANDARD |
| FLEX-8400M | 100W | 2 | 8" Touch | NO |
| FLEX-8400M ATU | 100W | 2 | 8" Touch | STANDARD |
| FLEX-8600 | 100W | 4 | No | STANDARD |
| FLEX-8600M | 100W | 4 | 8" Touch | STANDARD |
