D-Link DSL-2750B User Manual page 35

Section 3 - Configuration
If you want to use the max. rate 150Mbps or the max. rate 300Mbps on
40MHz, please choose the Channel Width: Auto 20/40MHz
Choose Visible or Invisible to decide if you want to show its SSID.
WIRELESS SECURITY Mode
To protect your privacy you can configure wireless security features. This
device supports three wireless security modes including: WEP, WPA,
WPA2, Auto(WPA or WPA2). WEP is the original wireless encryption
standard. WPA provides a higher level of security. WPA-Personal does
not require an authentication server. The WPA-Enterprise option requires
an external RADIUS server.
D-Link DSL-2750B User Manual 35