ServSwitch Agility Dual DVI, USB, and Audio KVM Extender over IP, Dual-Head or Dual-Link, Transmitter Go farther, do more, with digital KVM extension over IP, now in a dual-head or dual-link version. New flexible topology for KVM extension. Delivers perfect digital video with no loss. No-loss compression minimizes bandwidth use while maximizing the user experience. Supports dual-head or dual-link video.