A 6 Pin (NEM651) DCC Decoder suitable for models fitted with a 6 Pin DCC decoder socket (do not use with the Graham Farish 3F ‘Jinty’ and Class 64XX Pannier Tank – use 36-556RA with these models). Multi-mode (NMRA-DCC format, Motorola protocol, DC Analogue and AC Analogue (Marklin)) with Back EMF function.