Ats20 Firmware Exclusive Jun 2026

The software or XLoader (for Windows users who prefer flashing pre-compiled .hex files). Step 1: Download the Exclusive Firmware

Open XLoader, browse to your downloaded exclusive .hex file, select the correct device type (typically ATmega328 ), choose your COM Port, set the baud rate (usually 115200 ), and click Upload .

Do you know if your radio uses the or a modified one?

Single-sideband signals require razor-sharp tuning steps. Stock firmware often lacks fine-tuning increments (like 10Hz or 50Hz), making amateur radio voice (HAM) signals sound garbled. ats20 firmware exclusive

Which your computer uses (Windows, Mac, or Linux)?

Disconnect the USB, turn the radio off and back on. User Experience Improvements with New Firmware

This allows the user to monitor frequencies in complete darkness and silence, with the only indication being a silent haptic (if modified) or a headphone trickle. Stock firmware has no concept of tactical silence. The software or XLoader (for Windows users who

Several developers have contributed to the ATS20 ecosystem. The most notable firmware upgrades include:

Why is ATS_EX considered "exclusive"? Because it fights the trend of closed-source software in this hardware ecosystem.

Heads-up: This is NOT the same as the “SI4732_ATS20” firmware from the public repos. The “exclusive” version has different pin mappings and AGC tuning. Single-sideband signals require razor-sharp tuning steps

You will need a program like AVRDUDE or a specialized firmware uploader tool. Connect your

Flashing exclusive firmware to your ATS20 is straightforward and requires no soldering. Prerequisites A Windows, Mac, or Linux computer.

I can provide the exact software links and configuration settings for your setup. Share public link

: On stock firmware, fine-tuning via the Beat Frequency Oscillator (BFO) requires entering an entirely separate menu mode. Custom firmware weaves BFO fine-tuning straight into the main frequency step loop, letting you seamlessly surf the bands. Intelligent Multi-Function Buttons : Short pressing BAND- acts as a quick-access settings menu. Long pressing STEP toggles your signal bar.

The pipeline for late 2025 looks promising. Developers are currently reverse-engineering the ATS20+ Rev 4 board to enable: