WPS: WPA Tester & WPS Tester is a free utility that can check for the WPS protocol version and the WPA/WEP encryption algorithm. This utility can scan the network to find out whether your router is WPS or WPA-compatible, and if it is, it will provide you with the WPA information and the WPA/WEP encryption algorithm.

What is WPS?

WPS is an application protocol that allows a wireless device to connect to a wireless network using a password. The password is a number that is used to identify the device on the network. The password is a known number to the company that makes the router.