How to pair with RAK553 and RAK554/RAK5610
5.2 Transmitter（STA）: RAK553.
Step1 : Power on RAK553 waiting the board blink or lighting more than 10 seconds .
Step2 : Power on RAK554(RX) and waiting for blue LED turn on . Toggle Receiver’s DIP switch PIN1 to Low-Level more than 1 second and then Toggle to High-Level .The blue LED will be quick flashing. The Receiver have run into WPS Pair mode .
Step3 : Same operation with Step2 on the Receiver .
Step4 : Waiting for the Transmitter blue LED turn on more then 10 seconds. That means the configuration have completed .