ProximityboxMxProximityBox Concealed Motion Detection For MOBOTIX Systems The MX Proximity Box is a compact, weatherproof interface box (IP66) with integrated microwave radar sensor technology that can be connected to all cameras using MxBus. The MX Proximity Box detects moving objects using actively emitted and reflected radar waves. Since it can be installed at distances of up to 100 m away from the camera (via MxBus connection), the MX Proximity Box is a