61D-Link M30 AX3000 Dual-Band Wi-Fi 6 Router User Manual
Section 3 - Conguration
Advanced Settings
Home Network Access
Security Mode: Choose None, WPA/WPA2-Personal, WPA2-Personal, WPA2/
WPA3-Persoanl, or WPA3-Personal. WPA3 provides the  highest 
level of encryption among these. Note that WPS will be disabled if 
WPA3 is used.
Internet Access 
Only:
Enabling this option will confine connectivity to the Internet, 
preventing guests from accessing other local network devices.