
| Main parameters | Performance | Remark | |||
| Minimum value | Typical value | Maximum value | |||
| Supply voltage (V) | 3.3 | 5 | 5.5 | ≥5.0V guaranteed output power | |
| Communication level (V) | - | 3.3 | - | Using 5V TTL risks burning out | |
| Working temperature (℃) | -40 | - | 85 | Industrial grade design | |
| Working frequency band (MHz) | 850 | 868/915 | 930 | Support ISM band | |
| Power consumption | Emission current (mA) | - | 1200 | - | ±100mA(33dBm&5V) |
| Receive current (mA) | - | 15 | - | - | |
| Sleep current (uA) | - | 2 | - | Software shutdown | |
| Maximum transmit power (dBm) | 32.5 | 33 | 33.5 | The output power of the RF chip cannot be greater than 9dBm | |
| Receiving sensitivity (dBm) | -134 | -135 | -136 | LoRaSF9 | |
| Main parameters | Description | Remark |
| reference distance | 16km | Sunny and open space, antenna gain 5dBi, antenna height 2.5 meters, air rate 0.3kbps |
| FIFO | 256Byte | Maximum length of a single send |
| Crystal frequency | 32MHz | - |
| Modulation | LoRa(recommended) | - |
| Packaging method | SMD type | - |
| Interface mode | 2.54mm | stamp hole |
| Communication Interface | SPI | 0~10Mbps |
| Dimensions | 38.5*24mm | - |
| Antenna interface | Stamp hole/IPEX | Equivalent impedance is about 50Ω |
| weight | 5.1g | ±0.1g |






