Description
Technical Specifications
| Source | Parameter |
| Main control chip | esp32 |
| LoRa RF chip | SX1276 |
| Working Band (optional) | EU_433, CN_470_510, EU_863_870, US_902_928 |
| LoRa maximum output power | 18dB ± 1dB |
| Receiving sensitivity | |
| Interface | USB Type-C x 1 |
| USB to Serial chip | CP2102 |
| size | 2.95 x 1.18 x 0.51 in (75 x 30 x 13mm) |
| Working temperature | -40 to 176 F (-40 to 80 ℃ ) |