E01C-2G4M01S1B Si24R1 2.4GHz PCB Antenna SPI SMD Wireless Module [Chip solution]:Si24R1 [Operating frequency]: 2.4~2.525GHz [Communication distance]:200m [Communication interface]:SPI [Product size]:19*12mm [Introduction]:E01C-2G4M01S1B is a 2.4GHz SMD wireless module with a small size...