Introduction
LoRa, coined from “Long Range”, is a proprietary spread spectrum modulation developed by Semtech for low power, low data rate and long range wireless communication. It’s an alternative to other modulations such as PSK and FSK and is tailored for the unique requirements needed by the Internet of Things(IoT). LoRa wireless products are the ultimate solution for eliminating repeaters, reducing cost, extending battery life and improving network capacity.
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LoRa Converter
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| Model | Interface | Transmit Power | Radio Frequency | Transmission Distance (LoS) |
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| LRA-900 | 1x RS-232、1x RS-485 | 15 dBm | 864~ 871.5MHz, 915~ 922.5MHz (total 32 Frequencies) | 1500 m |
| LRA-900-E | 1x Ethernet | 15 dBm | 864~ 871.5MHz, 915~ 922.5MHz (total 32 Frequencies) | 1500 m |
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Note: The LRA-900/LRA-900-E Series products are not compatible with the GW-100-LRS/GW-200-LRS and DL-101S-LRS/DL-102S-LRS Series products.
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Geteway
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| Module | Interface Type | LoRa RF Range | LoRa RF Channel | Max Modbus ID/Station | Max Modbus Connection | Protocol | Wireless Data Security |
|---|---|---|---|---|---|---|---|
| GW-100-LRS | Ethernet | 868~960MHz 920~925(TW) |
16 or >16 | 16 | 24 | Proprietary | AES-128 |
| GW-200-LRS | Wi-Fi | 8 | 1 | ||||
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Note: The GW-100-LRS/GW-200-LRS Series products are not compatible with the LRA-900/LRA-900-E Series products.
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LoRa communication monitoring and configuration with a Modbus TCP Gateway
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| Model | Sensor | DO | LoRa RF Range | LoRa RF Channel | Protocol | IP Code | Power Source | Wireless Data Security |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T. | RH | ||||||||||||||||
| DL-101S-LRS | Yes | Accuracy 3% RH |
2 DO | 868 ~ 960 MHz 920 ~ 925 (TW) |
16 or >16 | Modbus through Gateway |
IP65 | +12 ~ +48 VDC | AES-128 | ||||||||
| DL-102S-LRS | |||||||||||||||||
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Note: The DL-101S-LRS/DL-102S-LRS Series products are not compatible with the LRA-900/LRA-900-E Series products.
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