Use Alt + w focus the RadFloatingActionButton control.
    
    
        Then you can leverage the keyboard support that is enabled by default. Here are supported keys and user actions:
    
    
        - Enter or Space opens the speed-dial popup and moves the focus to first item or triggers click handler
 
        - Up arrow moves focus to the previous item
 
        - Down arrow moves focus to the next item
 
        - Esc closes the speed-dial popup
 
        - Home moves the focus to the first item
 
        - End moves the focus to the last item