SoC ARM Cortex-M4+ SI4463 EFR32FG1P131 20dBm 433MHz EFR32 Wireless Module
[IC]：EFR32
[Frequency]：420~450M
[Power]：20dBm
[Distance]：2.5km
[Weight]：1.9±0.1g
[Introduction]：E76-433M20S is a small SPI wireless module designed by Ebyte. It is SMD, working as both transmitter and receiver. The antenna includes stamp hole and IPEX. With stable batch production, the module is suitable for various application.
| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 420~450 MHz | Default: 433MHz (40MHz oscillator) |
| Transmitting power | 20dBm | About 100mW |
| Receiving sensitivity | -107 dBm | Air data rate: 1k bps |
| Air data rate | 1k~100k bps | Default: 1k bps |
| Test distance | 2500m | In open and clear air, with maximum power, 5 dBi antenna gain, height of 2m, air data rate: 1k bps |
| Hardware Parameter | Value | Remark |
|---|---|---|
| IC | EFR32FG1P131F256GM48 | - |
| FLASH | 256 KB | - |
| RAM | 32 KB | - |
| Core | ARM Cortex M4 | - |
| Size | 16 * 26 mm | - |
| Antenna type | IPEX / Stamp hole | - |
| Communication interface | SPI | - |
| Package | SMD | - |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Power supply | 1.85 | 3.3 | 3.8 | V | - |
| Communication level | 1.85 | 3.3 | 3.8 | V | - |
| Transmitting current | 95 | 100 | 105 | mA | 20dBm（100mW） |
| Receiving current | 16 | 17 | 18 | mA | - |
| Sleep current | 0.5 | 1 | 1.8 | μA | - |
| Operating temperature | -40 | 20 | +85 | ℃ | - |
| Operating humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | +125 | ℃ | - |