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 BLE to Wi-Fi gateway in a USB dongle. It is used to monitor and control all Shely BLE devices, including BLU TRV. It features Virtual and BT Home components, along 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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Pair with Shelly Blu devices to control them over WiFi/remotely
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Main gateway for Blu TRV
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 to enable Device access point and Bluetooth connection.
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Press and hold for 10 seconds to factory reset the Device.
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Pairing button
Press briefly to put the Device in pairing mode.
Outputs
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LED indication
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Blue light is on if in AP mode.
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Red light is on if in STA mode and not connected to a Wi-Fi network.
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Yellow light is on if in STA mode and connected to a Wi-Fi network but not connected to Shelly Cloud or Shelly Cloud disabled.
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Green light is on if in STA mode and connected to a Wi-Fi network and to the Shelly Cloud.
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Red/Blue light flashes alternately if OTA update is in progress.
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Purple light flashes for 30 seconds if the Device is in pairing mode.
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Green light flashes rapidly for 3 seconds if pairing is successful.
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Purple light flashes rapidly for 3 seconds if pairing is not successful.
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Specifications
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Quantity |
Value |
|---|---|
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Physical |
|
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Size (HxWxD): |
60x27x11 mm / 2.36x1.06x0.43 in |
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Weight: |
10 g / 0.35 oz |
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Shell material: |
Plastic |
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Shell color: |
White |
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Environmental |
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Ambient working temperature: |
-20 °C to 40 °C / -5 °F to 105 °F |
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Storage temperature: |
-20 °C to 40 °C / -5 °F to 105 °F |
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Humidity: |
30 % to 70 % RH |
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Max. altitude: |
2000 m / 6562 ft |
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Electrical |
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Power supply: |
5 V⎓ (from USB Type-A port) |
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Power consumption: |
< 1 W (up to 5 W peak) |
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Sensors, meters |
|
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Internal-temperature sensor: |
No |
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Radio |
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Wi-Fi |
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Protocol: |
802.11 b/g/n |
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RF band: |
2401 - 2483 МHz |
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Max. RF power: |
< 20 dBm |
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Range: |
Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors
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Bluetooth |
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Protocol: |
BLE 4.2 |
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RF band: |
2402 - 2480 MHz |
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Max. RF power: |
< 10 dBm |
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Range: |
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors
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Microcontroller unit |
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CPU: |
Shelly ESP32 C3 |
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Flash: |
8 MB |
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Firmware capabilities |
|
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Schedules: |
20 |
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Webhooks (URL actions): |
20 with 5 URLs per hook |
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Scripting: |
Yes |
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MQTT: |
Yes |
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Encryption: |
Yes |
Shelly Smart Control
Shelly Web user interface
Components and APIs
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This device
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