GEN3 Reset & Teardown (FCC ID 2BDC6-BLUGTW-GEN3)

Before you buy the Shelly Group GEN3, check what's inside.

The Shelly BLU Gateway Gen3 is a USB-powered device that acts as a bridge between Bluetooth Low Energy (BLE) sensors and your Wi-Fi network. It allows you to monitor and control other Shelly BLE devices through the Shelly App.

⚠️ NOTE: Connect the Device only via USB to a 5V power source. Use only indoors and keep away from dirt and moisture.

Quick Specs

Manufacturer: Shelly Group
Model: GEN3
Protocol: WiFi
Chipset: ESP32
Ecosystem: Shelly
App: Shelly App

🔧 Geek Corner (Flashing Info)

Chipset: ESP32
Flashable: ❌ No
Info: While it uses an ESP32, it's designed as a gateway and likely has custom firmware that prevents easy flashing for standalone use.

User Manual

Scanned pages from the official user manual:

GEN3 Manual

Internal Photos

Teardown photos showing the PCB and components:

GEN3 PCB

Verdict

The GEN3 is a WiFi device from the Shelly ecosystem.

📄 Click to view full text manual (SEO)

US FCC User and Safety Guide BLU Gateway
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2 Shelly BLU Gateway Gen3 Shelly BLU Gateway Gen3
3 Shelly BLU Gateway Gen3 (the Device) is a smart BLE to 
Wi-Fi gateway in a USB-A dongle
Shelly BLU Gateway Gen3 (el Dispositivo) es una puerta de 
enlace IoT BLE a Wi-Fi en un dongle USB-A
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EN ES
User and safety guide Manual de uso y seguridad
Safety information Información de seguridad
For safe and proper use, read this guide, and any other documents 
accompanying this product. Keep them for future reference. Failure to 
follow the installation procedures can lead to malfunction, danger to 
health and life, violation of law, and/or refusal of legal and commercial 
guarantees (if any). Shelly Europe Ltd. is not responsible for any loss or damage in 
case of incorrect installation or improper operation of this device due to failure to 
follow the user and safety instructions in this guide.
Para un uso seguro y adecuado, lea este manual y cualquier otro documento que 
acompañe a este producto. Consérvelos para futuras consultas. El incumplimiento 
de los procedimientos de instalación puede provocar un funcionamiento 
incorrecto, peligro para la salud y la vida, violación de la ley y/o denegación de 
garantías legales y comerciales (si las hubiera). Shelly Europe Ltd. no se hace responsable de 
ninguna pérdida o daño en caso de instalación incorrecta o funcionamiento inadecuado de 
este aparato por no seguir las instrucciones de uso y seguridad de este manual.
This sign indicates safety information.
This sign indicates an important note.
Esta señal indica información de seguridad.
Este signo indica una nota importante.
CAUTION! Connect the Device only in the way 
shown in these instructions. Any other method 
could cause damage and/or injury.
¡ATENCIÓN! Conecte el Dispositivo sólo del modo 
indicado en estas instrucciones. Cualquier otro método 
podría causar daños y/o lesiones.
CAUTION! Do not use the Device if it shows any 
sign of damage or defect.
¡ATENCIÓN! No utilice el Dispositivo si presenta algún 
signo de daño o defecto.
CAUTION! Do not attempt to repair the Device 
yourself.
¡ATENCIÓN! No intente reparar el Dispositivo usted 
mismo.
CAUTION! The Device is intended only for indoor 
use.
¡ATENCIÓN! El Dispositivo está destinado únicamente 
para uso en interiores.
CAUTION! Keep the Device away from dirt and 
moisture.
¡ATENCIÓN! Mantenga el Dispositivo alejado de la 
suciedad y la humedad.
Product description Descripción del producto
13 Shelly BLU Gateway Gen3 is a smart BLE to Wi-Fi 
gateway which can be used to monitor and control all Shelly 
BLE devices. It features Virtual and BT Home components.
Shelly BLU Gateway Gen3 es una pasarela inteligente BLE a Wi-
Fi que se puede utilizar para supervisar y controlar todos los 
dispositivos Shelly BLE. Cuenta con componentes Virtual y BT 
Home.
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17 Fig. 1 Imagen 1
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19 A: LED indication A: Indicador LED
20 B: Pair button B: Botón de emparejar
21 C: Reset button C: Botón de ...