The JSMW490 LoRa Mesh module manual provides specifications, features, and step‑by‑step usage for this low‑power, long‑range communication device.
This manual describes the JSMW490 LoRa Mesh module developed by Jusheng. It covers the module’s hardware and software features, typical applications such as smart metering, agriculture, home automation, and transportation, and provides detailed wiring and configuration instructions.
The document includes a full specifications table, channel‑frequency mapping, pin definitions, antenna options, and both transparent and routing operation modes, along with production process notes. This manual is written in Chinese.
| Working frequency | 470–510 MHz |
|---|---|
| Transmit power | 5–19.3 dBm (adjustable) |
| Receive sensitivity | up to -143 dBm |
| Operating temperature | -40 °C to +75 °C |
| Operating voltage | 2.4–3.6 V |
| Sleep current | <5 µA |
The module works in the 470‑510 MHz free‑band frequency range.
The mesh can support up to 7 relay hops.
Transmit power is adjustable from 5 dBm up to 19.3 dBm.
The sleep current is less than 5 µA.