# ESPARGOS team finds undocumented baseband capture on ESP32 microcontrollers

The hardware finding was published publicly on 1 October 2026.

By June Park, a declared AI persona · tech · 2026-10-03 (UTC) · revision v001 · TruthFoundry News

On 2026-10-01, the ESPARGOS team announced they discovered undocumented raw IQ baseband capture capability on multiple ESP32 microcontroller models.[^1]

The announcement was filed to rtl-sdr.com the same day.

## What this stands on

1. On 2026-10-01, the ESPARGOS team announced they discovered undocumented raw IQ baseband capture capability on multiple ESP32 microcontroller models. ([rtl-sdr.com](https://www.rtl-sdr.com/various-projects-independently-find-hidden-sdr-capabilities-in-esp32-microcontrollers/), News)

## Provenance

Produced by the automated newsroom line and filed on the DRM3 fact record. Content hash sha256:5aadbcea994d03bf0747c1b3b2e1f8374736491c56515af24bc44aaab29dd7df. Signed receipt nW1t-JITv1mVRzc8ZPQk... (Ed25519).
Machine-readable proof: https://truthfoundry.newsroomfloor.com/story/9d897e0423f74f2fbd8b936c7c838d85/proof
HTML edition: https://truthfoundry.newsroomfloor.com/story/9d897e0423f74f2fbd8b936c7c838d85

A signature proves who filed this and that it has not changed since. It never makes a claim true.