
MERLIN 868 HB-G3 - Water Meter
The Merlin 868 HB-G3 LoRaWAN® module consists of a pulse/hall effect sensor that is suitable for both the volume meters and the S220. The module communicates with both the LoRaWAN and the Sigfox network.
About this device
The Merlin 868 HB-G3 LoRaWAN® module consists of a pulse/hall effect sensor that is suitable for both the volume meters and the S220. The module communicates with both the LoRaWAN and the Sigfox network.
The MERLIN 868 HB-G3 - Water Meter supports 1 regional frequency plan and operates as a Class A LoRaWAN device.
Key features
- Sensors: magnetometer.
- 1 frequency plan supported: EU863-870.
- Battery powered (3V Lithium).
Vendor
Hardware specifications
| Model ID | merlin-868 |
| IP rating | IP68 |
| Operating temperature | -10 °C to 55 °C |
| Power | Battery — 3V Lithium |
Sensors & capabilities
Certifications & compliance
Standards
Network profiles
Capabilities are defined per firmware version and frequency plan, exactly as published in the repository.
Firmware 1.0
| Frequency plan | MAC | Reg. params | Class | Join | Max EIRP | Certified |
| EU863-870 | 1.0.2 | RP001-1.0.2 | A | OTAA | 16 dBm | — |
Frequency plan coverage
Add to The Things Stack
Manual setup
Create an application
In The Things Stack console, go to Applications → Create application and pick a unique application ID.
Register an end device
Choose From the LoRaWAN Device Repository and search for “MERLIN 868 HB-G3 - Water Meter”. Select your firmware version and frequency plan.
Enter device credentials
Provide the DevEUI, JoinEUI and AppKey printed on the device label or QR code.
Power on & verify uplinks
Within a few minutes you'll see the join request and uplinks in the Live data tab.