In-depth review of the LILYGO T-Embed ESP32-S3 SI4732 multiband DSP radio covering hardware architecture, reception performance, firmware ecosystem, and real-world usability for makers, SWL, and ham radio enthusiasts.
Reviews
The Reviews category contains hands‑on evaluations of radios, accessories, kits, and tools that you’ve actually used in the shack or field. These are not just spec‑sheet summaries: posts typically cover unboxing, build or setup experience, quirks, measured performance where possible, and honest impressions after real on‑air use.
ATS Mini vs ATS20+ Technical Comparison: Si4732 Limitations Exposed
Explore alternative firmware options for the ATS-Mini DSP radio, including G8PTN, ESP32-SI4732, and Goshante builds. Unlock enhanced usability, advanced DSP features, and customization beyond the stock firmware
HydraSDR RFOne: A Technical Overview and Comparison with Airspy R2
The Software Defined Radio (SDR) landscape has recently been joined by the HydraSDR RFOne, a new receiver sparking interest among amateur radio and SDR enthusiasts. Developed by Benjamin Vernoux, previously involved with the Airspy R2 project, the HydraSDR shares foundational design elements with the well-known Airspy R2. Its creator highlights “Enhanced PCB layout and RF […]
Flipper Zero – A Comprehensive Technical Guide
The Flipper Zero is a portable multi-tool device designed for cyber security professionals, penetration testers, hardware hackers, and radio enthusiasts. Launched through a successful crowdfunding campaign, this compact device has gained significant attention in the security community for its versatility and educational value in understanding various wireless protocols and digital systems.
Flashing Firmware in ATS Mini Radio: A Simple Firmware Update Guide
Ready for a better user interface and new features? Follow our simple guide to updating your ATS Mini DSP receiver firmware using easy web-based tools or desktop software
A Beginner’s Guide to ATS20+ Firmware Flashing
A Beginner’s Guide to ATS20+ Firmware flashing Hey radio enthusiasts! Ever wondered if your beloved ATS20+ receiver could do more, or perhaps perform even better? The answer is often a resounding YES, thanks to community-developed firmwares that unlock new features, improve performance, and even change the user interface. Flashing new firmware might sound daunting, like […]
ATS20 Radio Receiver: Comprehensive Review – Small Package & Big Performance
ATS-20 is a compact SI4732-based multiband DSP receiver covering FM, MW, SW, and SSB — a highly sensitive portable radio with external antenna support and mod-friendly firmware
Exploring the LILYGO T-Embed SI4732 Radio Receiver
LILYGO T-Embed SI4732 combines an ESP32-S3 microcontroller with a DSP multiband radio (AM/FM/SW/LW + SSB), IPS display, and wireless connectivity — a compact programmable receiver for makers and radio enthusiasts.
HydraSDR RFOne: A New Contender in the SDR Market Challenges the Airspy R2
This article explains how the HydraSDR RFOne enters the SDR market as a direct competitor to the Airspy R2, offering similar core performance with a few key differences.
It highlights a wide frequency range (24 MHz–1.8 GHz), 12-bit ADC, and up to 10 MSPS sampling, making it suitable for spectrum analysis and amateur radio use. The main differentiator is its open-source firmware, which allows customization and community-driven development
ATS MINI ESP32-S3 SI4732 Pocket Radio DSP Receiver – Technical Analysis
NOAA-15 & NOAA-19 shutdown in Aug 2025 ends APT signals. Hobbyists: explore Meteor-M2, GOES, & SDR skills to keep decoding weather satellites data.

