... .Frequency: 315MHz/433MHz 3.Distance:<80 12V/24VDC Wireless With 4 Channel Garage Door Remote Control Receiver CY-402PC CY ... by our company,which ouputs Switching Quantity Signal for 4 relay and control the equipment to realize turn , turn over , ... and security industry and other fields. The wireless receiving controller, with high security, storage capacity, stable performance, low power consumption, ...