[IC]:SX1276
[Frequency]:862~893MHz
[Power]:30dBm
[Distance]:10.0km
[Interface]:SPI
[Weight]:4.8±0.1g
[Introduction]:Based on the original imported RF chip SX1276 from SEMTECH,E19-868M30S is a 1W wireless transceiver module,operates at 868MHz with SPI RF interface, supporting LoRa Spread spectrum technology.As a hardware platform,the secondary development is available.
| Pin No | Pin item | Pin direction | Pin application |
|---|---|---|---|
| 1 | GND | Input | Ground electrode, connected to the power reference ground. |
| 2 | DIO5 | Input /Output | Configurable IO interface(See more details in SX1278 data sheet |
| 3 | DIO4 | Input /Output | Configurable IO interface(See more details in SX1278 data sheet |
| 4 | DIO3 | Input /Output | Configurable IO interface(See more details in SX1278 data sheet |
| 5 | DIO2 | Input /Output | Configurable IO interface(See more details in SX1278 data sheet |
| 6 | DIO1 | Input /Output | Configurable IO interface(See more details in SX1278 data sheet |
| 7 | DIO0 | Input /Output | Configurable IO interface(See more details in SX1278 data sheet |
| 8 | RST | Input | Reset |
| 9 | NC | - | Not connect |
| 10 | GND | Input | Ground electrode, connected to the power reference ground. |
| 11 | VCC | Input | Power supply 1.8V-3.6V DC. 3.3V and external ceramic filter capacitor are recommended.) |
| 12 | SCK | Input | SPI clock |
| 13 | MISO | Output | SPI clock |
| 14 | MOSI | Input | SPI clock |
| 15 | NSS | Input | Chip select |
| 16 | TXEN | Input | Radio frequency switch control, make sure the TXEN pinis in high level, RXEN pin is in low level when transmitting. |
| 17 | RXEN | Input | Radio frequency switch control, make sure the TXEN pinis in high level, RXEN pin is in low level when transmitting. |
| 18 | GND | - | Ground electrode, connected to the power reference ground. |
| 19 | GND | - | Ground electrode, connected to the power reference ground. |
| 20 | ANT | Output | Antenna |
| 21 | GND | - | Ground electrode, connected to the power reference ground. |