N-Scale   
 Topics   
Installing DCC on a Kato N RDC (Rail Diesel Car) model
A detailed guide to installing the Digitrax DN122K2 DCC decoder into these model railcars.
 Introduction   
N-scale is the smallest but one of the standard model railway scales being based on a ratio of 1:160 (North America and Europe) or 1:148 (UK) and running on 9mm gauge track.