Voting machine adopts 2.4G RF keypad used eligible license-free/license-exempt frequencies to communicate key presses to the base station and receive from the base station control information
and acknowledge keypad transmissions high speed data communication, response the voting result in a real time). One PC can support maximize 256 pieces of voting machine which is enough to
be applied in the classroom, enterprise and other place. At the same time, it can be used as wireless mouse when it is integrated with interactive whiteboard.