This manual covers the installation, configuration, and operation of the USR USR-LG220-L LoRa concentrator for industrial IoT applications.
The USR USR-LG220-L is a LoRa concentrator based on a private protocol designed to manage up to 500 LoRa terminal nodes. It supports intelligent self-networking, automatic channel allocation, and secure data transmission over distances of up to 2500 meters in open areas.
The device features multiple networking options including Ethernet (10/100Mbps), 4G cellular interfaces, and a built-in 2.4GHz Wi-Fi network for local configuration. It supports various server modes such as Yore Cloud integration, private servers, and polling wake-up mechanisms to optimize traffic and control different types of devices like smart meters and sensors. This manual is written in Chinese.
| Operating Temperature | -20°C ~ +70°C |
|---|---|
| Storage Temperature | -40°C ~ +125°C |
| Supply Voltage | DC 5~36V |
| Max Transmit Power | 20dBm |
| LoRa Frequency Range | 398MHz~525MHz |
| Max Nodes Supported | Up to 500 |
| WAN Interface Speed | 10/100Mbps |
The initial Wi-Fi password is www.usr.cn.
Press and hold the Reload button for more than 5 seconds to reset the device.
The concentrator can achieve a transmission distance of up to 2500 meters in open areas.