[Частота]： 410~441 МГц
[Сила]： 21~30dBm
[Расстояние]： 8км
[Интерфейс]： UART
[Масса]： 5,0±0,1 г
[Введение]： E32-433T30S — это беспроводной модуль SMD (UART), основанный на оригинальном импортном радиочастотном чипе SEMTECH. Он имеет рабочую частоту 410–441 МГц и имеет технологию LoRa, функции шифрования и сжатия данных.
| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 410~441 MHz | Default: 433MHz |
| Transmitting power | 21~30 dBm | Default: 30dBm（About 1W） |
| Receiving sensitivity | -147 dBm | Air data rate: 0.3kbps |
| Air data rate | 2.4k~19.2kbps | Default: 2.4kbps |
| Test distance | 8000 meter | In open and clear air, with maximum power, 5dBi antenna gain, height of 2m,air data rate: 2.4kbps |
| No. | Name | Direction | Function |
| 1 | GND | Input | Module ground |
| 2 | VCC | Input | Module power supply positive reference，Power supply：3.3～5.5V DC |
| 3 | AUX | Output | The user wakes up the external MCU and outputs low level during power on self-test initialization; (can be suspended) |
| 4 | TXD | Output | TTL UART outputs, connects to external (MCU, PC) RXD input pin. |
| 5 | RXD | Input | TTL UART inputs, connects to external (MCU, PC) RXD output pin. |
| 6 | M1 | Input（weak pull-up） | Work with M0 to decide 4 working modes of module (not suspended, if not used, could be grounded).） |
| 7 | M0 | Input（weak pull-up） | Work with M1 to decide 4 working modes of module (not suspended, if not used, could be grounded). |
| 11 | ANT | Output | Antenna(high frequency signal output，50 ohm） |
| 12 | GND | - | Ground |
| 13 | GND | - | Ground |
| 14 | GND | - | Ground |
| 18 | NC | - | Empty |
| 19 | NC | - | Empty |
| 20 | NC | - | Empty |
| 21 | NC | - | Empty |
| 22 | RESET | Input | Reset pin when program is loaded (suspended, user does not need to connect) |
| 23 | GND | Input | Ground pin when program is loaded (suspended, user does not need to connect) |
| 24 | NC | - | Empty |
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