1.Named one of Lora converter USR-LG206-P is A, another is B. Set the USR-LG206-P works in same speed calss
Set A class 8, channel 70 (46hex), destination address 2(00 02 hex)
Set B class 8, channel 72(48 hex), destination address 1(00 01 hex)
2.Save the parameters
3.Send data through the serial port, remember add destination address and channel before data.