EBYTE SI24R1 GFSK PA+LNA 2.4g Wireless Module 2.4GHz 2km Remotely Rf Transmitter Receiver
[IC]：Si24R1
[Frequency]：2.4~2.525GHz
[Power]：20dBm
[Distance]：2km
[Size]：14.5*18mm
[Introduction]：E01C-ML01SP4 is a small size 2.4ghz SMD wireless module, maximum transmitting power of 100mW, which is independently developed based on domestic SI24R1.
| Pin No. | Pin item | Pin direction | Application |
|---|---|---|---|
| 1 | VCC | - | Power supply between 2.0 and 3.6V |
| 2 | CE | Input | Module control pin |
| 3 | CSN | Input | Chip select pin for starting new SPI communication |
| 4 | SCK | Input | SPI clock pin |
| 5 | MOSI | Input | SPI data input pin |
| 6 | MISO | Output | SPI data output pin |
| 7 | IRQ | Output | Interrupt request，valid in low level |
| 8 | GND | - | Ground, connected to power reference ground |
| 9 | GND | - | Ground, connected to power reference ground |
| 10 | GND | - | Ground, connected to power reference ground |