10PIN interface: Microphone

                                            

16PIN interface: connecting smoke, ADC measure, door open/close, USB

Multiple function board R56S

• 1. The radius of synchronous radiation is 2KM (the distance affected by the actual use environment may have deviation);
• Reserved interfaces for smoke, door opening and closing detection, and power voltage detection;
• Work with the Y50 sending card, there is no need for additional holes for fixation.