RS485 to LoRaWAN Converter

USR-DR206/DR216 | RS485 to LoRaWAN Converter

LoRaWAN Protocol, DIN rail mounting, RS485 Interface, Configuration Utility

USR-DR206/DR216 is the latest RS485 to LoRaWAN converter launched by PUSR. It converts RS485 devices to the LoRaWAN wireless network, simplifying IoT installations and reducing installation/maintenance costs. This device, when used with a LoRaWAN gateway, can achieve long-distance transmission of data from 485 devices. It is designed for professional wireless sensor network applications, such as smart irrigation, intelligent metering, smart cities, smart homes, and building automation. USR-DR206 is DC power supply while the USR-DR216 is AC power supply.

Key Features

• Standard LoRaWAN Protocol: flexible network accessing, wide connection.

• Din rail mounting: Easy to install.

• Standard Activation Methods: OTAA, ABP and Hotspot Activation.

• Stable and Reliable Data Transmission: LBT, FEC, heartbeat.

• Long-range Communication: Ideal for large areas.

• Class C Protocol: Efficient data transmission.

• Easy Local Configuration: AT commands, config utility.

Basic Function

This device supports the standard LoRaWAN protocol, and with USR-LG280 gateway, it can realize the network topology of thousands terminal devices, and realize the remote data acquisition and control of devices.

DIN Rail Installation

Easy to install, occupy small space, easy to use with other guide rail products.

Standard Activation Methods OTAA and ABP

• OTA: Dynamic key access, high security.

• ABP: Pre-configured key for fast network access.

• Hotspot Activation: Cooperate with OTA access to speed up the access process.

ADR Technology, Dynamic Adjustment to Improve Efficiency

According to the signal quality or network load, dynamically adjust the data communication rate to improve the transmission success rate.

Long-range Communication

Utilizes LoRa technology to achieve long-range communication, making it ideal for applications spread across large areas. The measured distance between LoRaWAN end node and LoRaWAN gateway can reach 5.5KM.

Test conditions: clear weather, open field of view, maximum power 22±0.5dBm, antenna gain 3.5dBi, height greater than 2m.

Stable and Reliable Data Transmission

In order to ensure stable and reliable data transmission, the device integrates FEC(Forward Error Correction), LBT(Listen Before Talk), data retransmission, heartbeat packet.

Easy Local Configuration and Firmware Upgrading

• AT command: Suitable for programmable devices, such as PLC, MCU, etc.

• Config Utility: Friendly interface, clear parameters, convenient to set.

  
  

  
  

LoRaWAN Class C Protocol, Efficient Data Transmission

High data throughput, Low latency, high real-time, continuous monitoring of the downlink channel, more effective use of network resources.

Industrial Grade Design, High Reliability

• Watchdog: Hardware & software dual watchdog. Ensuring stable operation without downtime.

• Surge/EFT Protection: Level 3, protect device against damage caused by instantaneous current interference in circuit, such as lightning stroke, power switch, etc.

• ESD Protection: Level 3, prevent electrostatic damage to equipment,such as human electrostatic, dust electrostatic, electric arc, etc.

• Wide Operation Temperature: -40℃ ~ +85℃.

• Wide Power Input: USR-DR206 8-24V DC, USR-DR216 120~240V AC

Dimensions and Details

• Dimensions:109.66*64.67*28mm

• Serial Port: 1*RS485,3-pin terminal block connector

• Antenna Connector: 1*SMA-female

• Power Connector: 2-pin terminal block connector

USR-DR206 Packing List

• USR-DR206*1

• Power Supply*1

• DC Power Catch Cable*1

• Sucker Antenna*1

USR-DR216 Packing List

• USR-DR216*1

• Sucker Antenna*1

Agricultural Irrigation Application

Agricultural sensors are connected to the USR-DR206 and transmit data to the data control center via a LoRaWAN gateway, enabling rapid long-distance data exchange and control. This setup allows for real-time monitoring and management of irrigation, pest and disease, and fertilization, which in turn reduces the need for on-site personnel, enhances the overall farm management level, increases economic efficiency, and lowers operational costs.