User Manual for LoRaWAN End Nodes - RS485-LN – RS485 to LoRaWAN Converter User Manual
LoRa Spec:
• Frequency Range:
• Band 1 (HF): 862 ~ 1020 Mhz
• Band 2 (LF): 410 ~ 528 Mhz
• 168 dB maximum link budget.
• +20 dBm - 100 mW constant RF output vs.
• +14 dBm high efficiency PA.
• Programmable bit rate up to 300 kbps.
• High sensitivity: down to -148 dBm.
• Bullet-proof front end: IIP3 = -12.5 dBm.
• Excellent blocking immunity.
• Low RX current of 10.3 mA, 200 nA register retention.
• Fully integrated synthesizer with a resolution of 61 Hz.
• FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
• Built-in bit synchronizer for clock recovery.
• Preamble detection.
• 127 dB Dynamic Range RSSI.
• Automatic RF Sense and CAD with ultra-fast AFC.
• Packet engine up to 256 bytes with CRC
1.3 Features
• LoRaWAN Class A & Class C protocol (default Class C)
• Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
• AT Commands to change parameters
• Remote configure parameters via LoRa Downlink
• Firmware upgradable via program port
• Support multiply RS485 devices by flexible rules
• Support Modbus protocol
• Support Interrupt uplink (Since hardware version v1.2)
1.4Applications
• Smart Buildings & Home Automation
• Logistics and Supply Chain Management
• Smart Metering
• Smart Agriculture
• Smart Cities
• Smart Factory
1.5Firmware Change log
RS485-LN Image files – Download link and Change log
1.6 Hardware Change log
v1.2: Add External Interrupt Pin.
v1.0: Release
2. Power ON Device
The RS485-LN can be powered by 7 ~ 24V DC power source. Connection as below
• Power Source VIN to RS485-LN VIN+
• Power Source GND to RS485-LN VIN-
Page 6 / 38 - last modified by Bei Jinggeng on 2022/07/08 16:50
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