Device identification
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Device name: Shelly BLU Gateway Gen3
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Device model: S3GW-1DBT001
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Device SSID: ShellyBluGwG3-XXXXXXXXXXXX
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Device Bluetooth ID: 0x1817
Short description
Shelly BLU Gateway Gen3 is a smart Bluetooth-to-Wi-Fi gateway with a USB-A connector. It monitors and controls compatible Shelly Bluetooth devices, including the Shelly BLU TRV, and comes with an external button for easier pairing.
Main features
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Controlling Blu TRV devices
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Pairing easily with Bluetooth devices
Use cases
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Monitor, Automate and control BLU TRV devices through Wi-Fi
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Use scripting to automate/customize BLU TRV behavior
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Pair up to 5 BLU TRVs
Main applications
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Local and cloud control: Enables monitoring and control of Shelly BLU TRV locally or through the Shelly Cloud.
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Multi-device pairing: Supports multiple Shelly BLU devices, including up to five Shelly BLU TRV devices.
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Quick device pairing: Uses a built-in button for fast Bluetooth device connection.
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LED status indication: Provides visual feedback for connection status, pairing, and OTA updates.
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Compact USB-A design: Powered directly through a USB-A port for convenient installation.
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Embedded Web Interface: Features an embedded web interface for monitoring, control, and adjustment of settings.
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Cloud Control: Operate and monitor the device remotely from anywhere using the Shelly App or a third-party home automation system.
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Wi-Fi: Connects to the local Wi-Fi network for local and remote control and monitoring via the Shelly app or compatible smart-home platforms.
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Wi-Fi Range Extender: Extends the Wi-Fi network by receiving the existing signal and retransmitting it to widen coverage.
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Bluetooth: Enables supported Bluetooth-based features and communication.
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BLE Gateway: Acts as a bridge between Shelly BLU (Bluetooth) devices and the wider Shelly ecosystem, forwarding their signals to the cloud or the local network.
Connectivity
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Wi-Fi
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Bluetooth
User interface
Inputs
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Reset button
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Press and hold for 5 seconds: Enables the Device access point and Bluetooth connection.
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Press and hold for 10 seconds: Resets the Device to factory settings.
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Pairing button
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Press briefly: Puts the Device in pairing mode.
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Outputs
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LED indication
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Blue light: AP mode is enabled.
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Red light: STA mode is active, but the Device is not connected to a Wi-Fi network.
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Yellow light: STA mode is active, and the Device is connected to a Wi-Fi network but not to Shelly Cloud, or Shelly Cloud is disabled.
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Green light: STA mode is active, and the Device is connected to both a Wi-Fi network and Shelly Cloud.
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Flashing Red/Blue light: OTA update is in progress.
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Flashing Purple light: The Device is in pairing mode for 30 seconds.
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Rapidly flashing Green light: Pairing was successful.
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Rapidly flashing Purple light: Pairing was not successful.
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Specifications
| Quantity | Value |
|---|---|
| Physical | |
| Size (HxWxD): | 60x27x11 mm / 2.36x1.06x0.43 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: | 2401 - 2483 МHz |
| Max. RF power: | < 20 dBm |
| Range: | Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors |
| 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 |
| 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 |
Shelly Smart Control
Shelly Web user interface
Components and APIs
Compliance and certification
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Shelly Blu Gateway Gen3 multilingual EU declaration of conformity 2025-07-22.pdf
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Shelly BLU Gateway Gen3 UK PSTI ACT Statement of compliance.pdf
