[Frequency]:410~441MHz
[Power]:10~20dBm
[Distance]:3.0km
[Interface]:UART
[Introduction]:E32-433T20DT is a wireless transceiver module based on SEMTECH's LoRa solution (can be used as both a transmitter and a receiver). Using LoRa spread spectrum technology, through this technology, the transmission distance and penetration capability of the module are more than doubled compared to traditional FSK.
| Pin No. | Pin Item | Pin Direction | Pin Application |
|---|---|---|---|
| 1 | M0 | Input(weak pull-up) | Work with M1 & decide the four operating modes. Floating is not allowed, can be ground. |
| 2 | M1 | Input(weak pull-up) | Work with M0 & decide the four operating modes. Floating is not allowed, can be ground. |
| 3 | RXD | Input | TTL UART inputs, connects to external TXD (MCU, PC) output pin.Can be configured as open-drain or pull-up input |
| 4 | TXD | Output | TTL UART outputs, connects to external RXD (MCU, PC) input pin.Can be configured as open-drain or push-pull output |
| 5 | AUX | Output | To wake up the external MCU, during the procedure of self-check initialization, the pin outputs low level. Can be configured as open-drain output or push-pull output (floating is allowed). |
| 6 | VCC | Input | Power supply 2.3V-5.2V DC |
| 7 | GND | Input | Ground |
| 8 | Fixing hole | - | Fixing hole |
| 9 | Fixing hole | - | Fixing hole |
| 10 | Fixing hole | - | Fixing hole |