EBYTE E01C-2G4M11S CI24R1 Wireless Module 2.4GHz 4km Remotely Rf Transmitter Receiver with IPEX Antenna Interface
[Chip solution]：Ci24R1
[Communication interface]：SPI
[Carrier frequency]：2.4~2.525GHz
[Transmission power]：11dBm
[Reference distance]：120m
[Product size]：19*12mm
[Introduction]：E01C-2G4M11S is a small size, 2.4GHz SMD wireless module with PCB antenna based on the core of Nanjing CSM Ci24R1, which uses industrial grade high precision 16MHz crystal
| Pin No. | Pin Name | Pin Direction | Pin Usage |
| 1 | GND | - | Negative power supply |
| 2 | NC | - | Empty feet |
| 3 | NC | Input | Empty feet |
| 4 | DATA | Input | Data input/data output/interrupt signal |
| 5 | SCK | Input/Output | SPI clock |
| 6 | CSN | - | SPI chip select |
| 7 | NC | - | Empty feet |
| 8 | VCC | - | Positive power supply: 2.1v~3.6v |