HC12 SI4438 Wireless Serial Port Communication Module UG741C (STMicroelectronics )Single Chip Op-Amp clocks & Times

clocks & Times

mini flat package

Brown for these 200E resistors

These boards take care of that by breaking out the pins to the common Arduino UNO design

2mm  Connector type  SMA male

HC12 SI4438 Wireless Serial Port Communication Module UG741C (STMicroelectronics )Single Chip Op-Amp clocks & TimesThe HC 12 SI4438 Wireless Serial Port Communication Module is a versatile and long range wireless transceiver module that operates in the 433 MHz frequency band. It is commonly used for transparent data transmission between microcontrollers or systems without the need for complex wireless protocol handling. The module is based on the SI4438 chip, providing reliable and low power communication for various Applications. Features: Wireless Frequency: 433