Shelly BLU Gateway Gen3 - smart BLE–Wi-Fi gateway

Shelly BLU Gateway Gen3 – smart BLE to Wi-Fi gateway in a USB plug form factor

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 plug form factor. It is used to monitor and control all Shelly BLE devices, including the BLU TRV. The gateway includes Virtual and BT Home components, plus an external button for easier pairing.

Key features

• Control of BLU TRV devices

• Easy pairing with Bluetooth devices

Use cases

• Monitoring, automation and control of BLU TRV devices over Wi-Fi

• Automating and customising BLU TRV behaviour using scripting

• Pair up to 5 TRVs (the number of BLU sensors is currently unlimited)

Connectivity

• Wi-Fi

• Bluetooth

Inputs

• Reset button:

  • Press and hold for 5 seconds to enable the device access point and Bluetooth connection

  • Press and hold for 10 seconds to perform a factory reset

• Pairing button:

  • Short press to activate device pairing

Outputs

• LED indicators:

  • Blue light: AP mode

  • Red light: STA mode, not connected to a Wi-Fi network

  • Yellow light: STA mode, connected to a Wi-Fi network but not connected to Shelly Cloud, or Shelly Cloud is disabled

  • Green light: STA mode, connected to a Wi-Fi network and Shelly Cloud

  • Red/blue flashing alternately: OTA update in progress

  • Purple flashing for 30 seconds: pairing mode

  • Green flashing rapidly for 3 seconds: pairing successful

  • Purple flashing rapidly for 3 seconds: pairing failed

Technical specifications

Parameter	Value
Physical
Size (HxWxD)	60x27x11 mm
Weight	10 g
Housing material	Plastic
Housing colour	White
Environmental
Operating temperature	-20 °C to 40 °C
Storage temperature	-20 °C to 40 °C
Humidity	30%–70% RH
Max. altitude	2000 m
Electrical
Power supply	5 V⎓ (USB Type-A port)
Power consumption	< 1 W (peak up to 5 W)
Sensors	Internal temperature sensor: No
Radio
Wi-Fi	802.11 b/g/n, 2412–2472 MHz, <20 dBm, range up to 30 m indoors and 50 m outdoors (depending on conditions)
Bluetooth	BLE 4.2, 2402–2480 MHz, <10 dBm, range up to 10 m indoors and 30 m outdoors (depending on conditions)
Microcontroller	CPU: Shelly ESP32 C3, Flash: 8 MB
Firmware capabilities
Schedules	20
Webhooks	20 (5 URLs per hook)
Scripting	Yes
MQTT	Yes
Encryption	Yes
Supported devices	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 (support planned for the future)

User manual: Shelly BLU gateway Gen3 multilingual printed user and safety guide.pdf Manufacturer's website: Shelly BLU Gateway Gen3