For the sake of safety, the WPS pin pin functions as a secret code. It may be utilized at the workplace or when traveling. It is created by a printer as a secret code. It comes extremely helpful when communicating across many devices, especially when a printer is involved. WPS Pin is a unique 8-digit number in technical terms. It connects the printer to the router through a wireless connection. The WPS pin is used to establish a wireless connection with the printer.