1800m Wireless Communication Module Si24R1 PA LNA SPI 2.4GHz Wireless Receiver
[IC]：Si24R1
[Frequency]：2.4~2.525GHz
[Power]：20dBm
[Distance]：1.8km
[Size]：15 * 27mm
[Introduction]：E01C-ML01DP4 is a 2.4GHz direct plug-in wireless module with a maximum transmission power of 100mW and a built-in PCB antenna based on the domestic SI24R1.
| Pin No. | Pin item | Pin direction | Pin application |
|---|---|---|---|
| 1 | GND | - | Ground wire, connected to the power reference ground |
| 2 | VCC | - | The power supply must be between 2.0～3.6V |
| 3 | CE | Input | Module control pin |
| 4 | CSN | Input | Module chip select pin, used to start a SPI communication |
| 5 | SCK | Input | Module SPI bus clock |
| 6 | MOSI | Input | Module SPI data input pin |
| 7 | MISO | Output | Module SPI data output pin |
| 8 | IRQ | Output | Module interrupt signal output, active low |