Specification
Parameters
| RF Parameter | Value | Remark |
| Working frequency | 220.125~236.125 MHz | Default: 230.125MHz |
| Transmitting power | 22 dBm | Max. Power (160mW) |
| Receiving sensitivity | -138 dBm | – |
| Air data rate | 0.3k~15.6kbps | – |
| Test distance | 5000m | In open and clear air, with maximum power, 5dBi antenna gain, height of 2m |
| Hardware Parameter | Value | Remark |
| Size | 16 * 26 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 | |
| Communication level | 3.0 | 3.3 | 5.2 | V | |
| Transmitting current | 97 | 107 | 119 | mA | 22dBm（160mW） |
| Receiving current | 10 | 11 | 12 | mA | |
| Sleep current | 1.6 | 2.0 | 2.4 | μA | |
| Operating temperature | -40 | 20 | +85 | ℃ | |
| Operating humidity | 10 | 60 | 90 | % | |
| Storage temperature | -40 | 20 | +125 | ℃ |
