Ebyte 425MHz 433MHz 525MHz Wireless Rf Receiver Module S14432 Chip
[IC]：SI4432
[Frequency]：425~525MHz
[Power]：20dBm
[Distance]：1.6km
[Interface]：SPI
[Introduction]：E27-4333M20S is a 100mW wireless transceiver module, operates at 433MHz,with small-size(1.27 Pin pitch).E27-4333M20S is based on the original imported RF chip Si4432 from Silicon Labs. With diversified built-in antenna and excellent anti-interface performance, the chip supports frequency hopping.
| RF Parameter | Value | Remark |
| Working frequency | 425~525 MHz | Default: 433MHz (30MHz oscillator) |
| Transmitting power | 20 dBm | Max. Power (100mW) |
| Receiving sensitivity | -121 dBm | Air data rate: 1.2kbps |
| Air data rate | 0.123k~256kbps | Default: 1.2kbps |
| Test distance | 1.6km | In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 1.2kbps |
| Hardware Parameter | Value | Remark |
Size | 16 * 16 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 | 78 | 83 | 91 | mA | 20dBm（100mW） |
| Receiving current | 14.7 | 18.5 | 20.0 | mA | |
| Sleep current | 0.4 | 0.5 | 0.6 | μA | |
| Operating temperature | -40 | 20 | +85 | ℃ | |
| Operating humidity | 10 | 60 | 90 | % | |
| Storage temperature | -40 | 20 | +125 | ℃ |