Specification
Parameters
| RF Parameter | Value | Remark |
| Working frequency | 220.125~236.125 MHz | Support ISM band |
| Transmitting power | 30 dBm | Max. Power (1W) |
| Receiving sensitivity | -148 dBm | Air data rate is 2.4kbps |
| Air data rate | 0.3k~15.6kbps | Controlled via user’s programming |
| Test distance | 10000m | Test condition：clear and open area, antenna gain: 5dBi，antenna
height: 2.5m，air data rate: 2.4kbps |
| Hardware Parameter | Value | Remark |
| Size | 40.5 * 25 mm | |
| Antenna type | IPEX / Stamp hole | |
| Communication interface | UART | |
| Package | SMD |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
| Power supply | 3.3 | 5.0 | 5.5 | V | ≥5.0 V ensures output power |
| Communication level | – | 3.3 | – | V | For 5V TTL, it may be at risk of burning down |
| Transmitting current | – | 530 | – | mA | Instant power consumption |
| Receiving current | – | 17 | – | mA | |
| Sleep current | – | 2 | – | μA | Software is shut down |
| Operating temperature | -40 | 20 | +85 | ℃ | |
| Operating humidity | 10 | 60 | 90 | % | |
| Storage temperature | -40 | 20 | +125 | ℃ |
