EBYTE SX1281 2.4 - 2.5 GHZ E28-2G4M12S 3Km
| RF Parameter | Value | Remark | 
| Working frequency | 2400~2500 MHz | Default: 2.4GHz (52MHz oscillator) | 
| Transmitting power | 12.5 dBm | About 18mW | 
| Receiving sensitivity | -130 dBm | Air data rate: 125kbps | 
| Air data rate | 0.125M~2Mbps | Default: 125kbps | 
| Test distance | 3000m | In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 125kbps | 
| Hardware Parameter | Value | Remark | 
| Size | 24*15mm | |
| Antenna type | IPEX / PCB | |
| Communication interface | SPI | |
| Package | SMD | 
 | 
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition | 
| Power supply | 1.8 | 3.3 | 3.6 | V | |
| Communication level | 1.8 | 3.3 | 3.6 | V | |
| Transmitting current | 42 | 45 | 50 | mA | 12.5dBm(18mW) | 
| Receiving current | 9 | 10 | 11 | mA | |
| Sleep current | 1 | 2 | 3 | μA | |
| Operating temperature | -40 | 20 | +85 | ℃ | |
| Operating humidity | 10 | 60 | 90 | % | |
| Storage temperature | -40 | 20 | +125 | ℃ | 





 
                                                                             
                                             
                                             
                                             
                                             
                                             
                                            