SX1231-based FSK packet radio breakout at 868 or 915 MHz with SPI interface, AES-128 encryption, and +13 to +20 dBm output (up to 100 mW). Accepts 3–5V input via onboard regulator; typical range ~500 m with wire antennas.
Required
Required
Required
Required
Required
Required
Required
Required
Optional
Optional
| Pin | Type | Function |
|---|---|---|
| VCC | Power | Required |
| GND | Ground | Required |
| SCK | SPI | Required |
| MISO | SPI | Required |
| MOSI | SPI | Required |
| CS | SPI | Required |
| RESET | Control | Required |
| DIO0 | Signal | Required |
| DIO1 | Signal | Optional |
| DIO2 | Signal | Optional |
Required
Required
Required
Required
Required
Required
Required
Required
Optional
Optional
UART · SPI · 3.3 V · Breakout
Confirm the data interface matches your host board.
Module pins: VCC, GND, SCK, MISO, MOSI, CS. Schematik maps them to your board in the app.
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