Battery-powered waterproof DTU
RDO21x-Battery-powered waterproof DTU of LoRaWAN
The RDO21x is a highly configurable, ultra-low-power DTU (Data Terminal Unit) independently developed by ManThink Technology, designed to support battery-powered operation. This product integrates a high-performance MCU and Semtech’s advanced LoRa radio frequency chip, enabling efficient communication with external devices via RS-485/M-Bus interfaces. By utilizing LoRa/LoRaWAN protocols, it ensures stable transmission of operational data to application platforms, offering users a reliable and flexible IoT data transmission solution.

Features
- IP65 protection rating
- Support RS-485 interface
- Battery powered
- Low power consumption liquid crystal display
- Support proximity wireless upgrade
- Support US902,AU915,AS923,EU868,EU433,CN470 LoRaWAN standard.
Hardware Specifications
Feature | Description |
Operating Voltage | 3.6V Lithium-ion Battery |
Operating Temperature | -40℃ to 85℃ |
Operating Humidity | 0% to 95%RH |
Protection Level | IP65 |
m-bus Loading Capacity | Recommended not to exceed 3 devices |
Operating Frequency | 410-510MHz / 860-1020MHz |
Transmission Power | 5 to 20dBm |
Receiving Sensitivity | -139dBm @ 292bps |
Data Transmission Rate | 0.3 to 4.5kbps |
Modulation Method | LoRa |
Supported LoRaWAN Bands | CN470/EU868/AS923/EU433/AU915 |
Supported LinkWAN Bands | CN470/AS923 |
Antenna Impedance | 50Ω |
Application Scenarios

Field Environmental Monitoring

Outdoor Asset Tracking

Smart Agriculture

Urban Pipeline Monitoring