Dragino RS485-LB RS485 / UART to LoRaWAN Converter

Dragino RS485-LB RS485 / UART to LoRaWAN Converter with IP67 Waterproof Rating

The Dragino RS485-LB is a RS485 / UART to LoRaWAN Converter for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-LB converter, and configure RS485-LB to periodically read sensor data and upload via LoRaWAN network to IoT server.

RS485-LB can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-LB provides a 3.3v output and a 5v output to power external sensors. Both output voltages are controllable to minimize the total system power consumption.

RS485-LB is IP67 waterproof and powered by 8500mAh Li-SOCI2 battery, it is designed for long term use for several years.

RS485-LB runs standard LoRaWAN 1.0.3 in Class A. It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server.

RS485-LB Supports BLE configure and wireless OTA update which make user easy to use.

Datasheet

Features

• LoRaWAN 1.0.3 Class A
• Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
• Ultra-low power consumption
• Support multiply RS485 devices by flexible rules
• Support Modbus protocol
• Support Interrupt uplink
• Supports connecting a UART sensors with 3.3V or 5V
• Support Bluetooth v5.1 and LoRaWAN remote configure
• Support wireless OTA update firmware
• AT Commands to change parameters
• Uplink on periodically
• Downlink to change configure
• 8500mAh Battery for long term use 

Specifications

Common DC Characteristics

• Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~ 3.6v
• Operating Temperature: -40 ~ 85°C

I/O Interface

• Battery controllable output (2.6v ~ 3.6v depends on battery)
• +5v controllable output
• 1 x RS485 Interface
• 1 x UART Interface , 3.3v or 5v
• 1 x Interrupt or Digital IN/OUT pins
• 1 x I2C Interface
• 1 x one wire interface

LoRa Spec

• Frequency Range,  Band 1 (HF): 862 ~ 1020 Mhz
• Max +22 dBm constant RF output vs.
• RX sensitivity: down to -139 dBm.
• Excellent blocking immunity

Battery

• Li/SOCI2 un-chargeable battery
• Capacity: 8500mAh
• Self-Discharge: <1% / Year @ 25°C
• Max continuously current: 130mA
• Max boost current: 2A, 1 second

Power Consumption

• Sleep Mode: 5uA @ 3.3v
• LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm

Applications

• Wireless Alarm and Security Systems
• Home and Building Automation
• Automated Meter Reading
• Industrial Monitoring and Control
• Long range Irrigation Systems,etc.