
YO Modbus
YO Modbus is the bridge between the Modbus network and LoRaWAN. It allows to read data via Modbus RTU from Slave devices and send it via LoRaWAN. One YO Modbus device provides capacity to create up to 150 Modbus queries and to send them in up to 30 different LoRa packets. These are sent in LoRA packets of up to 5 queries each (i.e. maximum of 30 packets).
About this device
YO Modbus is the bridge between the Modbus network and LoRaWAN. It allows to read data via Modbus RTU from Slave devices and send it via LoRaWAN. One YO Modbus device provides capacity to create up to 150 Modbus queries and to send them in up to 30 different LoRa packets. These are sent in LoRA packets of up to 5 queries each (i.e. maximum of 30 packets).
The YO Modbus supports 4 regional frequency plans and operates as a Class A LoRaWAN device.
Key features
- Sensors: current, power, voltage.
- LoRa Alliance certified, verified interoperability with The Things Stack and other LoRaWAN network servers.
- 4 frequency plans supported: AS923, AU915-928, EU863-870, US902-928.
Vendor
At a glance
More from Yosensi Sp. z o.o.

YO 360

YO Agribox

YO Airflow
Hardware specifications
| Model ID | yo-modbus |
| Dimensions | 58 × 17.5 × 90 mm |
| Weight | 90 g |
| IP rating | IP20 |
| Additional radios | ble |
Certifications & compliance
Standards
Network profiles
Capabilities are defined per firmware version and frequency plan, exactly as published in the repository.
Firmware 3.1.0
| Frequency plan | MAC | Reg. params | Class | Join | Max EIRP | Certified |
| AS923 | 1.0.2 | RP001-1.0.2-RevB | A | OTAA | 16 dBm | ✓ Yes |
| AU915-928 | 1.0.2 | RP001-1.0.2-RevB | A | OTAA | 30 dBm | ✓ Yes |
| EU863-870 | 1.0.2 | RP001-1.0.2-RevB | A | OTAA | 16 dBm | ✓ Yes |
| US902-928 | 1.0.2 | RP001-1.0.2 | A | OTAA | 30 dBm | ✓ Yes |
Firmware 3.6.3
| Frequency plan | MAC | Reg. params | Class | Join | Max EIRP | Certified |
| AS923 | 1.0.2 | RP001-1.0.2-RevB | A | OTAA | 16 dBm | ✓ Yes |
| AU915-928 | 1.0.2 | RP001-1.0.2-RevB | A | OTAA | 30 dBm | ✓ Yes |
| EU863-870 | 1.0.2 | RP001-1.0.2-RevB | A | OTAA | 16 dBm | ✓ Yes |
| US902-928 | 1.0.2 | RP001-1.0.2 | A | OTAA | 30 dBm | ✓ Yes |
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 “YO Modbus”. 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.