LoRa Node 151(Class C OTAA)
The HelTec LoRa Kit 151 (Class C OTAA) is a LoRaWAN® development board based on the STM32L151CCU6 and SX127x LoRa chip that supports standard LoRaWAN protocol.
About this device
The HelTec LoRa Kit 151 (Class C OTAA) is a LoRaWAN® development board based on the STM32L151CCU6 and SX127x LoRa chip that supports standard LoRaWAN protocol.
The LoRa Node 151(Class C OTAA) supports 8 regional frequency plans and operates as a Class A/C LoRaWAN device.
Key features
- 8 frequency plans supported: AS923, AU915-928, CN470-510, EU433, EU863-870, IN865-867, KR920-923, US902-928.
- Battery powered (1/2AA Lithium), user replaceable.
Vendor
At a glance
Hardware specifications
| Model ID | lora-node-151-class-c-otaa |
| Dimensions | 56.6 × 24 × 20 mm |
| Operating temperature | -40 °C to 80 °C |
| Power | Battery — 1/2AA Lithium, replaceable |
Sensors & capabilities
No sensors listed for this device.
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 |
| AS923 | 1.0.2 | RP001-1.0.2-RevB | A / C | OTAA | 16 dBm | — |
| AU915-928 | 1.0.2 | RP001-1.0.2-RevB | A / C | OTAA | 30 dBm | — |
| CN470-510 | 1.0.2 | RP001-1.0.2-RevB | A / C | OTAA | 19 dBm | — |
| EU433 | 1.0.2 | RP001-1.0.2-RevB | A / C | OTAA | 12 dBm | — |
| EU863-870 | 1.0.2 | RP001-1.0.2-RevB | A / C | OTAA | 16 dBm | — |
| IN865-867 | 1.0.2 | RP001-1.0.2-RevB | A / C | OTAA | 30 dBm | — |
| KR920-923 | 1.0.2 | RP001-1.0.2-RevB | A / C | OTAA | 16 dBm | — |
| US902-928 | 1.0.2 | RP001-1.0.2-RevB | A / C | OTAA | 30 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 “LoRa Node 151(Class C OTAA)”. 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.