| The transponder system is a highly tolerant complete system which roughly consists of two circuits: The primary circuit is secured to the gate frame and directly connected to the gate control. It consists of • transmitting antenna, which at the same time is the power source for the secondary circuit, and • Control Unit with connection to gate control system The secondary circuit is fitted to the moving gate wing and consists of • Safety Edge, • tuning box for fast length adaptation and • transponderantenna. |