HC-12 SI4438/4463 wireless module

HC-12 SI4438/4463 wireless module long-distance 433M wireless serial port module UART interface

If you want to know more about the product（details+price）, please send an email to sales@pcb-hero.com , and then we can talk in detail.
Attached our company profile and website link for your reference.
https://www.pcb-hero.com/collections/all-products
Thank you for your time.

For the product specification, pls refer to the pic