EnGenius EWS660AP User Manual page 40

Enable: Check this option to enable this profile.
SSID: Specifies the SSID for the current profile.
Security: Displays the Security Mode the SSID uses. You can click Edit to change the security mode. For more details, see the next
section.
Hidden SSID: Check this option to hide the SSID from clients. If checked, the SSID will not appear in the site survey.
Client Isolation: Check this option to prevent communication between client devices.
VLAN Isolation: Check this option to enable VLAN Isolation feature.
VLAN ID: Specifies the VLAN ID for the SSID profile.