Wireless MAC Filter 
 
Wireless MAC filter will allow you to block or allow certain devices on your WiFi. 
 
Select SSID: Select the SSID you for the rule 
MAC Restrict Mode: Allow or Deny. Disabled is selected by default. 
 
To add a Mac Address, click the Add button.  
Mac address: Mac address of device you want block or allow 
Description: Give the rule a name. 
 
 
Note: Before selecting Allow or Deny, you will need to add the Mac address first otherwise you will lock yourself out of the Selected SSID.