ATS Mini V4 Quick Specs Sheet
ats minispecsreference1c3d
Markdown
- Chip: Silicon Labs SI4732 DSP receiver + ESP32-S3 microcontroller
- Bands: AM (MW/LW), FM broadcast, SW (~0.1-30MHz), SSB modes LSB/USB
- Display: 1.9" IPS color
- Battery: 800mAh internal lithium, USB-C charging
- V4-specific upgrades: metal case with internal RF shielding, ESD-protected antenna input, built-in headphone amplifier circuit, Hi-Z front-end circuit, corrected channel audio output
- Included antennas: Donut wideband loop antenna (~10kHz-180MHz), telescopic whip
- Power on/off: no physical switch on stock hardware — long-press triggers deep sleep (see battery care guide for the physical switch mod)
- Firmware flashing: via USB, ESP32-S3 chip target, esptool.py/Flash Download Tool/browser-based ESP Web Flasher all supported
- Official firmware docs: esp32-si4732.github.io/ats-mini