DCD-ADiA.3 Intelligent 3-Address Accessory Decoder (3-Pack)DCCconcepts ADiA decoders have some very special features which make them totally unique. Fits snugly in the recess in every Cobalt turnout motor (using the pre fitted foam pad) or you can mount it seperately with the screws provided. Simple to wire without soldering Plug and play connectors for DCCconcepts magnetic or infra red detectors Drive one or two Cobalt iP Analog or Omega turnout motors. THREE accessory addresses, each of which can have its