D-Link DAP-3310 User Manual page 28

Section 3 - Configuration
User Limit:
Set the maximum amount of users that
are allowed access (1-64 users). To use this
feature, the Connection Limit above must be
enabled. For most networks, a limit of 10 is
recommended. The default setting is 20.
Client Isolation:
If this option is enabled, connected clients will
not be able to view or access each other.
D-Link DAP-3310 User Manual 28