ZyXEL Communications LTE Series User Manual page 130

Chapter 7 Wireless
is the WPS registrar, the enrollee, or was not involved in the WPS handshake; a rogue device must still
associate with the access point to gain access to the network. Check the MAC addresses of your WiFi
clients (usually printed on a label on the bottom of the device). If there is an unknown MAC address
you can remove it or reset the AP.
LTE Series User's Guide
130