A 21 Pin (21MTC) DCC Decoder suitable for models fitted with a 21 Pin DCC decoder socket (do not use with the Bachmann Branchline Class 90 – use 36-569A with these models). Bachmann 36-557A 21 Pin DCC Loco-Decoder (with Brake Button function) (New Version of 36-557).

Brand: Bachmann
Type: 21 Pin Decoder
MPN: 36557A