The included telescoping antenna is insufficient for indoor shortwave listening. Hook up a long wire antenna (even a 20-30 foot spool of speaker wire tossed outside a window) to the BNC jack for a massive boost in signal.
Use the official Espressif Flash Download Tool or the Arduino IDE .
If you’d like, you can:
The is a versatile, ultra-portable radio receiver known for its Si4732 chip and full-band coverage. Whether you are using the standard version, the ATS25 Max , or the newest ATS25 Pro+ , having the right manual is key to unlocking features like SSB, digital decoding, and Wi-Fi sync. Official ATS-25 Manuals (PDF) ats-25 radio manual pdf
: Tap the HAM button to see a list of amateur bands from 630m to 10m.
This specific manual is available online from Manuals.plus.
Because the ATS-25 uses an ESP32 chip, developers frequently release customized firmware patches (such as the popular community-driven Harduino or ATS-25 AMP software versions). Updating the firmware adds features like a scanning spectrum analyzer, retro background skins, and improved battery management. The included telescoping antenna is insufficient for indoor
The physical manual that ships with the ATS-25 is often a thin, black-and-white booklet with broken English. Phrases like "Click the press to start the tuning of the frequency" are common.
If you have recently purchased an ATS-25 digital radio receiver, or are considering adding this powerful pocket-sized SDR (Software Defined Radio) to your listening post, you have likely searched for one critical phrase:
Turn off the ATS-25. Hold down the rotary encoder knob while connecting the radio to your PC via a Type-C USB data cable. This forces the chip into bootloader mode. If you’d like, you can: The is a
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Disclaimer: This article provides a general manual based on standard ATS-25 (Si4732) firmware versions. Variations may exist between different manufacturers. If you'd like, I can: to use with this radio.
Retailers specializing in shortwave gear often host a downloadable PDF download link directly on the product listing page.