Built-in 8-ohm speaker and 3.5mm stereo headphone jack
Slowly turn the rotary encoder until the voice sounds natural instead of high-pitched or distorted ("Donald Duck" effect). Changing Filter Bandwidth (BW)
Press the MODE button to cycle through FM, AM, USB, and LSB. ats-20 radio manual
| Feature | ATS-20 (Original) | ATS-20+ (Plus) | | :--- | :--- | :--- | | | SI4735 DSP chip, Arduino Nano | SI4732 DSP chip, Arduino Nano | | Antenna Connector | SMA | BNC | | Charging Port | Micro-USB | USB Type-C | | Shielding & Layout | Standard design | Improved shielding and signal layout | | Firmware Compatibility | High (Original firmware) | High (with new features) |
Crucial for fine-tuning SSB stations. 5. Firmware Updates (Flashing Guide) Built-in 8-ohm speaker and 3
The ATS-20 radio is a portable, handheld transceiver designed for amateur radio operators. It operates on the shortwave (HF) band, allowing users to communicate with others worldwide. The device features a compact design, weighing in at just 260 grams, making it easy to carry on outdoor adventures or use in a variety of environments.
Used for tuning frequencies and changing menu settings. It can also be pressed (clicked) to change tuning steps. Control Buttons The device features a compact design, weighing in
The receiver can still be operated while charging (though the battery status may be inaccurate during that time).
Connect the ATS-20 to your PC using a high-quality .
Cycles through the available radio bands (FM -> LW -> MW -> SW bands).