Device identification
- Device name: Shelly BLU Gateway Gen3
- Device model: S3GW-1DBT001
- Device SSID: ShellyBluGwG3-XXXXXXXXXXXX
- Device Bluetooth ID: 0x1817
Short description
Shelly BLU Gateway Gen3 is a smart BLE to Wi-Fi gateway in a USB dongle. It is used to monitor and control all Shelly BLE devices, including BLU TRV. It features Virtual and BT Home components, along with an external button for easier pairing.
Main features
- Controlling Blu TRV devices
- Pairing easily with Bluetooth devices
Use cases
- Monitor, automate, and control Blu TRV devices through Wi-Fi
- Use scripting to automate/customize Blu TRV behavior
- Pair up to 5 TRVs (BLU sensors are not limited at the moment)
Main applications
- Pair with Shelly Blu devices to control them over Wi-Fi/remotely
- Main gateway for Blu TRV
Connectivity
- Wi-Fi
- Bluetooth
User interface
Inputs
Reset button
- Press and hold for 5 seconds to enable Device access point and Bluetooth connection.
- Press and hold for 10 seconds to factory reset the device.
Pairing button
Press briefly to put the device in pairing mode.
Outputs
- LED indication
- Blue light on: AP mode
- Red light on: STA mode, not connected to Wi-Fi network
- Yellow light on: STA mode, connected to Wi-Fi but not to Shelly Cloud (or Cloud disabled)
- Green light on: STA mode, connected to Wi-Fi and Shelly Cloud
- Red/Blue light flashing alternately: OTA update in progress
- Purple light flashing for 30 seconds: Device in pairing mode
- Green light flashing rapidly for 3 seconds: Pairing successful
- Purple light flashing rapidly for 3 seconds: Pairing not successful
Specifications
| Quantity | Value |
|---|---|
| Physical | |
| Size (H×W×D) | 60 × 27 × 11 mm / 2.36 × 1.06 × 0.43 in |
| Weight | 10 g / 0.35 oz |
| Shell material | Plastic |
| Shell color | White |
| Environmental | |
| Ambient working temperature | -20 °C to 40 °C / -5 °F to 105 °F |
| Storage temperature | -20 °C to 40 °C / -5 °F to 105 °F |
| Humidity | 30 % to 70 % RH |
| Max. altitude | 2000 m / 6562 ft |
| Electrical | |
| Power supply | 5 V⎓ (from USB Type-A port) |
| Power consumption | < 1 W (up to 5 W peak) |
| Sensors, meters | |
| Internal temperature sensor | No |
| Radio | |
| Wi-Fi | |
| Protocol | 802.11 b/g/n |
| RF band | 2412 – 2472 MHz |
| Max. RF power | < 20 dBm |
| Range | Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors (Depends on local conditions) |
| Bluetooth | |
| Protocol | BLE 4.2 |
| RF band | 2402 – 2480 MHz |
| Max. RF power | < 10 dBm |
| Range | Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors (Depends on local conditions) |
| Microcontroller unit | |
| CPU | Shelly ESP32 C3 |
| Flash | 8 MB |
| Firmware capabilities | |
| Schedules | 20 |
| Webhooks (URL actions) | 20 with 5 URLs per hook |
| Scripting | Yes |
| MQTT | Yes |
| Encryption | Yes |
| Supported devices that can be paired with this gateway |
- Shelly BLU H&T
- Shelly BLU Button 1
- Shelly BLU Button Tough 1
- Shelly BLU Wall Switch 4
- Shelly BLU Door/Window
- Shelly BLU TRV
- Shelly BLU Motion (planned support in the future)
Shelly Smart Control
Shelly Web user interface
Components and APIs
- This device
- All Shelly devices and services
Compliance and certification
- Shelly Blu Gateway Gen3 multilingual EU declaration of conformity 2025-07-22
- Shelly BLU Gateway Gen3 UK PSTI ACT Statement of compliance
Printed user guide
Installation guides
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