... 2.Frequency: 315MHz/433MHz 3.Distance:<80 2 Ch Radio Wireless Rf Receiver 433 CY-402PC CY-402PC ,the four-way ... devices, industrial control and security industry and other fields. The wireless receiving controller, with high security, storage capacity, stable performance, ... jumper or DIP switch code, simply receive and store wireless signal launched by remote controller to achieve matching.If you ...