USR-DR206 Serial RS485 to LoRaWAN Converter
USR-DR206 Serial RS485 to LoRaWAN Converter
USR-DR206 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.
Key Features
- Standard LoRaWAN Protocol: flexible network access and 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 FunctionThis device supports the standard LoRaWAN protocol, and a LoRaWAN gateway, it can realize the network topology of thousands terminal devices, and realize the remote data acquisition and control of devices.
DIN Rail InstallationEasy 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 EfficiencyAccording to the signal quality or network load, dynamically adjust the data communication rate to improve the transmission success rate.
Long-range CommunicationUtilizes 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.
Stable and Reliable Data TransmissionIn 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 TransmissionHigh 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: 8-24V DC.
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
Packing List
- USR-DR206*1
- Power Supply*1
- DC Power Catch Cable*1
- Sucker Antenna*1
Agricultural Irrigation ApplicationAgricultural 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.
Specifications
|
Items |
Description |
|
Processor |
32-bit, FM33LG043 |
|
Power Supply |
DC: 8-24V, 2-pin terminal blocks, reverse polarity protection, surge protection |
|
Working Current |
Sending data: 45mA@12V,
Receiving data: 11mA @12V
|
|
Serial port |
|
|
No. |
1 x RS485 |
|
Baud rates |
RS485: 1200 ~ 115200bps |
|
Data bits |
7, 8 |
|
Stop bits |
1, 2 |
|
Parity |
NONE, ODD, EVEN |
|
LoRaWAN |
|
|
Radio Chip |
SX126x |
|
Frequency |
USR-DR206-CN470，470-510MHz
USR-DR206-AU915，902-928MHz
|
|
Tx Power |
21±0.5dBm, default value: 19dBm(CN470)/20dBm(AU915) |
|
Rx Sensitivity |
‘-140dBm @0.268Kbps |
|
Activation Method |
OTAA/ABP Class C |
|
Coverage distance |
Max 5.5KM
Test conditions: clear weather, open field of view, maximum power 22±0.5dBm, antenna gain 3.5dBi, height greater than 2m.
|
|
Antenna |
Female SMA Connector, 2±1 dBi |
|
Physical Property |
|
|
Casing material |
V0 flame retardant, IP30 protection |
|
Dimensions |
109.66*64.67*28mm(L x W x H, terminal block are included) |
|
Installation |
Din rail mounting |
|
EMC |
Surge protection: level 3, IEC61000
ESD protection: level 3, IEC61000
EFT protection: level 3, IEC61000
|
|
Operating temperature |
-40℃～ +85℃ |
|
Storage temperature |
-40℃～+125℃ |
|
Operating humidity |
10% ~ 90% RH, non-condensing |
|
Storage humidity |
5% ~ 90% RH, non-condensing |
|
Software Function |
|
|
Heartbeat data |
√, it's disabled by default |
|
Multicast |
√ |
|
User Configuring |
Config utility, AT command |
|
Others |
|
|
Reload |
Pinhole reset button |
