When paging is enabled, the Page Up and Down keys function as expected:
https://demos.telerik.com/kendo-ui/listview/keyboard-navigation

However, when paging is disabled and the records are on the same page, these keys do nothing, and also prevent the default Page Up and Down action of  browser itself.

It would be nice if the listview in this scenario works like the combo:
https://demos.telerik.com/kendo-ui/combobox/template