Ebyte SI4438 UART 2.5Km Rango 433MHz 22dBm SMD 16 * 26mm CE RoHs FCC LoRa Transmisor inalámbrico Módulo RF
[IC]：SI4438
[Frecuencia]：425~450.5MHz
[Energía]：10~20dBm
[Distancia]：2.5km
[Interfaz]：UART
[Peso]：2.0±0.1g
[Introducción]：E30-433T20S3 es un módulo UART basado en SI4438 de Silicon Labs. Cuenta con medio dúplex con transmisión transparente, empaque SMD, salida de nivel TTL, WOR y frecuencia de trabajo de 433 MHz. Este producto ha sido producido en masa y se puede utilizar en una amplia gama de entornos e industrias.
Tienda oficial| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 425~450.5 MHz | Support ISM band |
| Transmitting power | 10~20 dBm | Default: 20dBm（About 100mW） |
| Receiving sensitivity | -114 dBm | Air data rate: 1k bps |
| Air data rate | 1k~25k 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 |
|---|---|---|
| Size | 16 * 26 mm | - |
| Antenna type | IPEX/External | - |
| Communication interface | UART | Baud rate: 1200~115200, default: 9600 |
| Package | SMD | - |
| Buffer | 512 bytes buffer | Automatically sub-packaging with 58 bytes per package |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Power supply | 2.3 | 5.0 | 5.0 | V | - |
| Communication level | - | 3.3 | - | V | - |
| Transmitting current | - | 89 | - | mA | 20dBm（100mW） |
| Receiving current | - | 16 | - | mA | - |
| Sleep current | - | 4 | - | μA | - |
| Operating temperature | -40 | 20 | +85 | ℃ | - |
| Operating humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | +125 | ℃ | - |