2.12.1  Wireless Systems

     Wireless scoring systems are currently prohibited, largely due to
     the difficulties in distinguishing between real and forged
     signals.  Various modern electronics technologies hold the
     promise of circumventing these problems, and some wireless
     designs are currently in development.

     Simple "buzzboxes", compact battery-powered devices that signal
     touches with a light or buzzer, are available from various
     sources, but have very limited functionality.  For example, epee
     buzzboxes do not detect bell or ground hits, and foil buzzboxes
     cannot distinguish between on- and off-target touches.  There are
     no sabre buzzboxes.