Public FCC record for Espressif ESP32-C3-WROOM-02U (2AC7Z-ESPC3WROOMU), a general-purpose Wi-Fi and Bluetooth LE module filed by Espressif Systems (Shanghai) Co., Ltd. Public exhibits include external photos, internal photos, a user manual, and RF exposure information. Radio evidence covers 2.4 GHz Wi-Fi / Bluetooth.
ESP32-C3-WROOM-02U is the general-purpose Wi-Fi and Bluetooth LE module filed under FCC ID 2AC7Z-ESPC3WROOMU by Espressif Systems (Shanghai) Co., Ltd.
Public exhibits include internal and external photos, a user manual, RF exposure information, and wireless test reports.
The strongest extracted details are internal and external photos and manual excerpts.
Those exhibits help verify what the device looks like, how its radios were tested, and setup or use details from the manual.
The listed radio coverage includes 2.4 GHz Wi-Fi / Bluetooth.
Manual excerpts cover power details, setup, and button controls.
Raw application fields from the FCC record, shown separately from the plain-English summary.
A quick read on what each public FCC application changed or confirmed, with source links attached.
This FCC application appears to be a permitted change to an already-authorized device, with the matching grant and public exhibits grouped together.
This FCC application appears to be the original authorization package for the device, with the matching grant and public exhibits grouped together.
This section summarizes what the FCC test documents say about the device's wireless connections and tested frequency ranges. RF exposure or SAR rows are compliance/safety context, not a speed or range claim.
This filing covers Wi-Fi-style wireless operation, including the shared frequency ranges shown below.
| FCC equipment class | DTS - digital wireless transmitterThe FCC shorthand for the radio behavior reviewed in this filing. |
|---|---|
| FCC rule parts | Part 15C - low-power wireless rulesThe rule sections cited by the grant or test documents. |
| Frequency bands | 2.4 GHz Wi-Fi / Bluetooth: 2 rangesThe radio ranges the FCC filing lists for the device.Source: FCC grant; 2 ranges grouped below |
| Frequency range | 2412 - 2462 MHz | 2422 - 2452 MHz | 2402 - 2480 MHzSource: Test Report (6634206) p. 6 |
| Maximum conducted output power | 17.39 dBmTransmit-power values come from lab testing and should not be read as a promised wireless range.Source: Test Report (6634206) p. 6 |
Product photos from public FCC exhibits, formatted for easier browsing. External photos show the enclosure and labels; internal photos show boards, antennas, and other compliance-relevant hardware.
Searchable manual text plus skimmable details from the public FCC user manual.
The public manual includes useful power, setup, and button and port details.
Get Started on ESP32C3WROOM02U 2.1 What You Need To develop applications for ESP32-C3-WROOM-02U module you need:
mkdir -p ~/esp cd ~/esp git clone --recursive https://github.com/espressif/esp-idf.git ESP-IDF will be downloaded into ~/esp/esp-idf.
-- Component paths:...
Get Started on ESP32C3WROOM02U 2.1 What You Need To develop applications for ESP32-C3-WROOM-02U module you need:
mkdir -p ~/esp cd ~/esp git clone --recursive https://github.com/espressif/esp-idf.git ESP-IDF will be downloaded into ~/esp/esp-idf.
Visual pages and diagrams from the public FCC manual exhibit.
Open the original FCC files used to check the details shown here. Badges separate whether a file is public from whether details from that file appear on this page.
Official FCC grant or authorization record.
Public user manual or setup guide from the FCC filing.
Internal product photo exhibit from the FCC filing.
External product photo exhibit from the FCC filing.
RF exposure exhibit from the FCC filing.
Additional FCC exhibits are grouped here by source type instead of repeated as individual rows.
