This manual describes the operation, hardware connection, and AT command configuration for the USR WH-L101-L-C low-frequency semi-duplex LoRa module.
The USR WH-L101-L-C is a low-frequency semi-duplex LoRa module operating in the 398~525MHz band. It supports various working modes including AT command mode, active reporting, polling wake-up, server downlink, and Youren Cloud (USR Cloud) monitoring. The module features long communication distances up to 2500m under specific conditions and low power consumption with a sleep current of 3uA. This manual is written in Chinese.
| Operating Frequency Band | 398~525MHz |
|---|---|
| Sleep Current (Typical) | 3uA@3V3 |
| Operating Voltage Range | 1.8V ~ 3.6V |
| Dimensions | 26.65 x 18.22 x 2.60mm |
| Package Type | SMT Surface Mount |
The communication distance can reach 2500m under clear, open line-of-sight conditions with an antenna gain of 3dBi and a height greater than 2m.
The typical sleep current is 3uA at 3V3, making it suitable for battery-powered applications.
You can use AT commands via UART or utilize the provided universal configuration software available for download.