The ATS-25 Max SI4732 all-band radio receiver has become a staple for shortwave listeners (SWL) and amateur radio enthusiasts. This powerful, pocket-sized receiver packs a color touchscreen, lithium battery, and wide frequency coverage into an aluminum chassis.
Capable of decoding FT8 and other modes when connected to Wi-Fi.
uses firmware from . You will need a computer, the firmware file, and a micro-USB cable (if updating via the mainboard connector) or Type-C (if the firmware supports it). Caution: Flashing incorrect firmware can brick the device. 6. Tips for Better Reception
Many versions of the ATS-25 run open-source firmware community upgrades (such as those modified by PU2CLR or specialized Russian/European amateur radio groups). Upgrading your firmware can unlock hidden features like: Spectrum analyzer/waterfall displays. Improved scanning speeds. Extended frequency ranges. Expanded RDS data decoding for local FM stations. ats-25 radio manual pdf
When tuned to a strong commercial FM station, the ATS-25 automatically decodes Radio Data System (RDS) data. The station identification letters, artist name, and song title will scroll across the bottom text field of the display. Troubleshooting and Performance Tips
3.5mm jack for private listening or routing audio out to an external amplifier or PC soundcard for digital mode decoding (like FT8 or RTTY). 3. Basic Operation Instructions
Si4732 transceiver IC handles digital signal processing. The ATS-25 Max SI4732 all-band radio receiver has
2.4-inch TFT color touchscreen (320 × 240 resolution).
Frequency, Band, and Signal Strength Indicator (RSSI). Middle: Large numeric display of current frequency. Bottom: Menu options (Band selection, Volume, Step, Mode). 4. Operational Instructions (How to Use) 4.1 Changing Bands and Frequencies
: A comprehensive guide for the "Max" version with a 2.4" touch screen and DSP. H-RADIO v4.15/4.17 Air Firmware Manual uses firmware from
The (often referred to as the ATS-25 Max, ATS-25X2, or Si4732) has quickly become a favorite among radio enthusiasts. It is a compact, full-band receiver known for its versatility, touchscreen interface, and impressive performance across FM, AM, LW, MW, SW, and SSB frequencies.
Explain how to for amateur radio.
Standard BNC female connector. This allows you to easily swap the stock telescopic antenna for external long-wire antennas or magnetic loops.
The ATS-25 is a highly popular, compact, and versatile All-Band Si4732 Radio Receiver. It has captured the attention of amateur radio operators, shortwave listeners (SWLs), and preppers alike. Featuring a vibrant color touchscreen, multi-band coverage, and community-driven firmware updates, this pocket-sized powerhouse offers incredible value.
Lowering the screen brightness timeout in the settings menu significantly extends the operating runtime of the internal battery. AI responses may include mistakes. Learn more Share public link
