Ebyte 433MHz SI4463 20dBm Long Range 1.8km rf Wireless Transceiver
[IC]：SI4438
[Frequency]：425~525MHz
[Power]：20dBm
[Distance]：1.8km
[Interface]：SPI
[Weight]：0.9±0.1g
[Introduction]：E10-433MS is based on original imported RF SI4438 form Silicon Labs in USA. Module features stable performance, long transmitting distance and strong penetration and diffraction ability.
| Pin No | Pin item | Pin direction | Pin application |
|---|---|---|---|
| 1 | GND | - | Ground |
| 2 | VCC | - | Power supply 1.8V~3.6VDC |
| 3 | GPIO0 | Output | GPIO of SI4463 |
| 4 | GPIO1 | Output | GPIO of SI4463 |
| 5 | IRQ | Output | Interrupt request |
| 6 | SCK | Input | SPI master input slave output |
| 7 | MISO | Output | SPI master output slave input |
| 8 | MOSI | Input | SPI master input slave output |
| 9 | nSEL | Input | SPI chip select |
| 10 | SDN | - | The module working enable control the pin, it's low level when working (See SI4463 manual for |
| more details) | |||
| 11 | ANT | - | Antenna |
| 12 | GND | - | Ground |