EBYTE SX1276 LoRa Module 915MHz 5km Long Range Wireless Transmitter And Receiver SPI 868MHz Rf Module LoRa SX1276
[IC]： SX1276
[Frequency]：862~931MHz
[Power]： 20dBm
[Distance]： 5km
[Size]：15*15mm
[Antenna]： Stamp hole
[Feature]：LoRa spread spectrum,super mini size
[Introduction]：E19-900M20S2 is an ultra-small 915MHz SMD LoRaTM wireless module independently developed based on the SX1276 produced by Semtech in the United States. It uses an industrial-grade high-precision 32MHz crystal oscillator.
| Pin No. | Item | Direction | Description |
|---|---|---|---|
| 1 | GND | - | Ground wire, connected to the power reference ground |
| 2 | GND | - | Ground wire, connected to the power reference ground |
| 3 | GND | - | Ground wire, connected to the power reference ground |
| 4 | GND | - | Ground wire, connected to the power reference ground |
| 5 | DIO0 | Input/Output | Configurable general IO port (see SX1276 manual for details) |
| 6 | DIO1 | Input/Output | Configurable general IO port (see SX1276 manual for details) |
| 7 | DIO2 | Input/Output | Configurable general IO port (see SX1276 manual for details) |
| 8 | DIO3 | Input/Output | Configurable general IO port (see SX1276 manual for details) |
| 9 | NC | - | Internal use of the module (this pin cannot be connected to any electrical network in the circuit design) |
| 10 | DIO5 | Input/Output | Configurable general IO port (see SX1276 manual for details) |
| 11 | GND | - | Ground wire, connected to the power reference ground |
| 12 | GND | - | Ground wire, connected to the power reference ground |
| 13 | VCC | - | Power supply, range 2.3～3.6V (recommended 3.3V, recommended to add ceramic filter capacitor) |
| 14 | SCK | Input | SSPI clock input pin |
| 15 | MISO | Output | SPI data output pin |
| 16 | MOSI | Input | SPI data input pin |
| 17 | NSS | Input | Module chip select pin, used to start a SPI communication, active low |
| 18 | RST | Input | Chip reset trigger input pin, active low |
| 19 | GND | - | Ground wire, connected to the power reference ground |
| 20 | GND | - | Ground wire, connected to the power reference ground |
| 21 | ANT | - | antenna |
| 22 | GND | - | Ground wire, connected to the power reference ground |