Welcome to the Home of the Railroad Control Interface! Look for the latest information on our News page. Just click on News at the left. At Oak Tree Systems we've been busy developing some brand new products for model railroaders. Our Railroad Control Interface (RCI) cards feature higher capacity, better performance, and a variety of easy to add options for every model railroad control need.

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Large selection of hobby products including RC planes, radio control cars, trucks, helicopters, 1/32 slot cars, battery chargers, model engines, model trains, sound systems, train controls and plastic model kits from Model Rectifier Corporation (MRC).