Ebyte 433MHz SI4463 20dBm Long Range 1.8km rf Wireless Transceiver
[IC]：SI4438
[Frequency]：425~525MHz
[Power]：20dBm
[Distance]：1.8km
[Interface]：SPI
[Weight]：0.9±0.1g
[Introduction]：E10-433MS is based on original imported RF SI4438 form Silicon Labs in USA. Module features stable performance, long transmitting distance and strong penetration and diffraction ability.
| RF Parameter | Value | Remark |
| Working frequency | 425~525 MHz | Default: 433MHz (26MHz oscillator) |
| Transmitting power | 20 dBm | Max. Power (100mW) |
| Receiving sensitivity | -122 dBm | Air data rate: 0.123kbps |
| Air data rate | 0.123k~1Mbps | Default: 0.123kbps |
| Test distance | 2000m | In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 0.123kbps |
| Hardware Parameter | Value | Remark |
Size | 14.5 * 18 mm | |
Antenna type | Stamp hole | |
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 | 76.4 | 83 | 91.3 | mA | 20dBm（100mW） |
| Receiving current | 14.7 | 16.0 | 17.6 | mA | |
| Sleep current | 0.3 | 0.6 | 2.1 | μA | |
| Operating temperature | -40 | 20 | +85 | ℃ | |
| Operating humidity | 10 | 60 | 90 | % | |
| Storage temperature | -40 | 20 | +125 | ℃ |