# Shelly BLU Gateway Gen3

*Shelly / S3GW-1DBT001*

> The Shelly BLU Gateway Gen3 is a USB-A Bluetooth-to-Wi-Fi gateway with scripting and MQTT. It controls the Shelly BLU TRV and other compatible Shelly Bluetooth devices. It suits Home Assistant users, with native support through local Wi-Fi control. Google Home, Alexa and SmartThings users reach it through an integration (the maker's cloud).

- Canonical page: https://smarthomecanon.com/devices/shelly-blu-gateway-gen3
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Shelly](https://smarthomecanon.com/brands/shelly) |
| Category | Bridge |
| Model numbers | S3GW-1DBT001 |
| Status | Current[^1][^2] |
| Type | Gateway[^1][^3] |
| Model code | S3GW-1DBT001[^1][^3] |
| Radio | Bluetooth LE 4.2; Wi-Fi 802.11 b/g/n[^1][^3] |
| Power | USB-A, 5 V[^1][^3] |
| Features | Bluetooth-to-Wi-Fi gateway with scripting, MQTT and a pairing button; controls BLU TRV[^1][^3] |
| Local API | MQTT, webhooks and scripting[^3] |

## Integration paths

**How the Shelly BLU Gateway Gen3 connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Wi-Fi local](https://smarthomecanon.com/protocols/wifi-local) | 2.4 GHz Wi-Fi network[^3] | Yes[^3] | unknown |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | unknown | unknown | unknown |

**Platform support for the Shelly BLU Gateway Gen3**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Wi-Fi local | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | shelly |
| Wi-Fi cloud | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Via integration[^1] |  |
| Wi-Fi cloud | [Google Home](https://smarthomecanon.com/platforms/google-home) | Via integration[^1] |  |
| Wi-Fi cloud | [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) | Via integration[^1] |  |

## Related pages

- [Shelly BLU](https://smarthomecanon.com/lines/shelly-blu) (line)
- [Shelly](https://smarthomecanon.com/brands/shelly) (brand)
- [Wi-Fi with local control](https://smarthomecanon.com/protocols/wifi-local) (protocol)
- [Wi-Fi through a cloud service](https://smarthomecanon.com/protocols/wifi-cloud) (protocol)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Google Home](https://smarthomecanon.com/platforms/google-home) (platform)
- [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) (platform)

## Sources

[^1]: Shelly BLU Gateway Gen3 - Shelly Europe shop. https://www.shelly.com/products/shelly-blu-gateway-gen3 (manufacturer, checked 2026-10-13)
[^2]: Shelly Europe shop catalog (Shopify product feed). https://www.shelly.com/products.json?limit=250&page=1 (manufacturer, checked 2026-10-13)
[^3]: Shelly BLU Gateway Gen3 - Shelly Knowledge Base. https://kb.shelly.cloud/knowledge-base/shelly-blu-gateway-gen3 (manufacturer, checked 2026-10-13)