[Вес изделия]： 6.3±0.1g
[Частота]： 410~441 МГц
[Сила]： 19~20дБм
[Расстояние]： 3км
[Интерфейс]： UART
[Введение]： E32-433T20D — это модуль беспроводного последовательного порта, основанный на решении SEMTECH LoRa (уровень TTL), прозрачном режиме передачи, работающем в полосе частот 410–441 МГц (по умолчанию 433 МГц) и использующем технологию расширения спектра LoRa.
| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 410~441 MHz | Default: 433MHz |
| Transmitting power | 19~20 dBm | - |
| Receiving sensitivity | -144~147 dBm | Air data rate: 2.4kbps |
| Air data rate | 2.4k~19.2kbps | - |
| Test distance | 3000 meter | In open and clear air, with maximum power, 5dBi antenna gain, height of 2.5m,air data rate: 2.4kbps |
| Pin No. | Pin Item | Pin Direction | Pin Application |
|---|---|---|---|
| 1 | M0 | input (very weak pull-up) | cooperates with M1 to determine the 4 working modes of the module. (Cannot be left floating, can be grounded if not used) |
| 2 | M1 | input (very weak pull-up) | cooperates with M0 to determine the 4 working modes of the module. (Cannot be left floating, can be grounded if not used) |
| 3 | RXD | input | TTL serial input, connect to external TXD output pin; Can be configured as open-drain or pull-up input, see parameter settings for details. |
| 4 | TXD | output | TTL serial output, connect to external RXD input pin;Can be configured as open-drain or push-pull output, see parameter settings for details. |
| 5 | AUX | outputs | Used to indicate the working status of the module; (can be left floating)The user wakes up the external MCU, and outputs a low level during the power-on self-test initialization;It can be configured as open-drain output or push-pull output, see parameter settings for details. |
| 6 | VCC | input | Positive reference of module power supply, voltage range: 2.3～5.5V DC |
| 7 | GND | Input | Module ground wire |
| 8 | Fixing | holes Fixing holes | |
| 9 | Fixing | hole Fixing hole | |
| 10 | Fixing | hole Fixing hole | |
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