Amnvolt ATS Mini V4 – A Palm-Sized Radio for Emergencies

Talyn · Monday at 9:03 PM

Being a gear & radio nut I picked up one of these from Amazon. So far pretty impressed.
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The ATS Mini V4 is a pocket-sized (0.1-30 MHz) HF receiver based on the SI4732 DSP, now with a metal casing and internal RF shielding for improved immunity to interference.

ATS Mini V4 – A Palm-Sized Radio for Emergencies

The ATS Mini V4 is an ultra-compact radio that is small enough to carry just about anywhere, but very powerful and easy to use.

gatdaily.com

It boasts optimised audio quality, a 1.9" IPS display, 1W speaker, 800mAh battery, and now allows the earphones to be used as an antenna when listening to FM.

Compact, robust and powerful, it covers LW/MW/SW/FM as well as AM, FM, USB and LSB modes, with AGC, ATT and Hi-Z circuitry.

Robust metal casing greatly reduces interference
SI4732 chip shielding for cleaner, more stable reception
Headphone socket as FM antenna for discreet listening
Enhanced audio: 1 W speaker with optimised cavity
1.9" high-definition IPS screen with adjustable brightness
Compatible with firmware updates via USB-C

Supplied with: ATS Mini V4 receiver, Donut WB wideband antenna, telescopic antenna.

More specs

The ATS Mini V4 is a pocket-sized all-band radio receiver combining an ESP32-S3 microcontroller and an SI4732 DSP chip. Available on Amazon, it features a 1.9-inch IPS screen, a metal or plastic shell, and covers LW, MW, SW, and FM bands with SSB (LSB/USB) support.

Core Features

Chipset: ESP32-S3 control board paired with an SI4732 DSP receiver. [1]
Frequency Coverage: LW/MW/SW (150kHz–30MHz) and VHF FM (64–108MHz) with AM, LSB, and USB modes. [1]
V4 Upgrades: Added EMI shielding for the Si4732 module, ESD protection on the antenna input, and an optimized Hi-Z circuit to reduce noise.
Display & Audio: 1.9-inch IPS display (170×320 resolution) with adjustable brightness, a built-in headphone amplifier, and a 1W cavity speaker.
Power: Built-in 800mAh rechargeable battery charged via USB Type-C (standard chargers only; fast chargers are not compatible).
Included Accessories: Telescopic antenna, a small circle/loop antenna, and a Type-C charging cable.