[IC]:SI4438
[Frequency]: 425~525MHz
[Power]:20dBm
[Distance]:2.0km
[Size]: 18.1*22.1mm
[Weight]: 1.9±0.1g
[Introduction]: E10-433MD3 is based on original imported RF SI4463 and operates at 433Mhz, with 100mW transmitting power, IPEX interface,Small-size,SMD type and an external shield cover which is anti-interference. with 26M crystal oscillator and stable batch production, which makes the module is suitable for various applications (especially for smart lock).
| Pin No | Pin item | Pin direction | Pin application |
|---|---|---|---|
| 1 | GND | - | Ground |
| 2 | SDN | Input | The module working enable control the pin, it's low level when working (See SI4438 manual for |
| more details) | |||
| 3 | NC | - | Empty |
| 4 | nSEL | Input | SPI chip select |
| 5 | MOSI | Input | SPI master input slave output |
| 6 | GND | - | Ground |
| 7 | MISO | Output | SPI master output slave input |
| 8 | SCK | Input | SPI master input slave output |
| 9 | IRQ | Output | Interrupt request |
| 10 | GPIO1 | Input /Output | GPIO of SI4438 |
| 11 | GPIO0 | Input /Output | GPIO of SI4438 |
| 12 | VCC | - | Power supply 1.8V~3.6VDC |