| Main parameter | Performance
| Remark |
Operating frequency
| 410~493MHz | Support ISM band
|
| Tx power | 22 dBm | -
|
| Receiving sensitivity | -129dbm
| -
|
| Air data rate | 1.76k~62.5kbps | User programming control
|
| Distance for reference | 5.5km | Test condition:clear and open area, antenna gain: 5dBi,antenna height: 2.5m,air data rate: 2.4kbps
|
| Main parameter | Performance
| Remark |
Size
| 20* 14*2.8 mm
| -
|
RF interface
| IPEX/stamp hole | -
|
| Communication interface | SPI
| 0-10Mbps
|
| Package | SMD | -
|
| Main parameter | Min. | Typ. | Max. | Unit | Remark |
Operating voltage
| 1.8 | 3.3 | 3.7 | V | ≥3.3V ensures output power
|
| Communication level | - | 3.3 | - | V | For 5V TTL, it may be at risk of burning down
|
| TX current | - | 100 | - | mA | Instantaneous power consumption
|
| RX current | - | 6.5 | - | mA
| -
|
| Sleep current | - | 180 | - | uA | Software shutdown
|
Operating temperature
| -40 | 20
| +85 | ℃ | Industrial design |

| No. |
Definition |
Function Description |
| 1 | 3.3V | 3.3V Electric pin |
| 2 | 3.3V | 3.3V Electric pin |
| 3 | GND | Floor reference ground |
| 4 | GND | Floor reference ground |
| 5 | 3.3V | 3.3V Electric pin |
| 6 | GND | Floor reference ground |
| 7 | REST | MCU External reset pin |
| 8 | SWIM | SWIM pin of MCU |
| 9 | 3.3V | 3.3V Electric pin |
| 10 | VCC | Module power supply pin, need to be short-circuited with pin 9 to supply power to the module |
| 11 | PC6 | MCU ordinary IO |
| 12 | PC5 | MCU ordinary IO |
| 13 | PB3 | MCU ordinary IO |
| 14 | PB2 | MCU ordinary IO |
| 15 | PB1 | MCU ordinary IO |
| 16 | PB0 | MCU ordinary IO |
| 17 | M1 | Module mode switch pin (see module product manual for details) |
| 18 | M0 | Module mode switch pin (see module product manual for details) |
| 19 | PD1 | MCU ordinary IO |
| 20 | PD0 | MCU ordinary IO |
| 21 | GND | Floor reference ground |
| 22 | GND | Floor reference ground |
| 23 | 5V | 5V Electric pin |
| 24 | 5V | 5V Electric pin |