Now available: V3 Throttle Controller with GPSWireless Throttle Controller Kit for Fusion, Assist Max, Assist Slim and PLUS. For Spare or Replacement With the new higher powered Foil Drive V3 controller, the wireless signal strength between the hand controller and the box is greatly improved. In choppy conditions or with lower volume boards, this results in a much more reliable connection. Pairing a new controller to your existing kit is super simple, follow this article on our help center.