LoRa Module Spi 20dBm Long Range Wireless Transceiver 433MHz Rf Module
[IC]：SX1278
[Frequency]：410-525MHz
[Power]：20dBm
[Distance]：5.0km
[Interface]：SPI
[Weight]：1.1±0.1g
[Introduction]：E19-433M20S2 is based on original imported RFIC SX1278 from SEMTECH, adopts LoRa spread spectrum technology. Which means the transmitting distance is much longer than before, besides the power density is more concentrated and anti-interference performance is better.
| Pin No | Pin item | SX1278 | Pin direction | Pin application |
|---|---|---|---|---|
| 1-4、11、12、19、20、22 | GND | GND | - | Ground electrode, connected to the power reference ground. |
| 5 | DIO0 | DIO0 | Input/Output | Configurable IO port（Please find more on SX1278 datasheet） |
| 6 | DIO1 | DIO1 | Input/Output | Configurable IO port（Please find more on SX1278 datasheet） |
| 7 | DIO2 | DIO2 | Input/Output | Configurable IO port（Please find more on SX1278 datasheet） |
| 8 | DIO3 | DIO3 | Input/Output | Configurable IO port（Please find more on SX1278 datasheet） |
| 9 | NC | DIO4 | - | Not connect |
| 10 | DIO5 | DIO5 | Input/Output | Configurable IO port（Please find more on SX1278 datasheet） |
| 13 | VCC | VBAT1，VBAT2，VBAT3 | - | Power supply: 1.8~3.6V (recommended 3.3V,Ceramic filter capacitor is advised to add) |
| 14 | SCK | SCK | Input | SPI clock input |
| 15 | MISO | MISO | Output | SPI clock input |
| 16 | MOSI | MOSI | Input | SPI clock input |
| 17 | NSS | NSS | Input | Chip select, start SPI communication, low level enable |
| 18 | RST | NRESET | Input | Reset, low level enable |
| 21 | ANT | - | - | Antenna |