Product--RMF69 Shield

RMF69 Shield-433MHz contains a FSK wireless module, it has the same function that radio frequency transmitter owns, such as receiving and transmitting message. RMF69 Shield-433MHz can totally compatible to Arduino.

Low consumption
More professional ISM band
Frequent range from 140 to 960MHz 
Totally compatible to Arduino



7. The design of PCB(multiple layer board)-- Process of multilayer board

11. The design of PCB (multiple layer board)--Basic requirement of designing multiple layer PCB VOL3