ESU 54678 - Smoke unit, small size (Gauge 0) for LokSound XL V4.0 or SUSI – Ajckids
MTC21 Decoder adapter
ADAMTC ADAPTER BOARD FOR MTC 21 PIN
1676 8-function decoder for HO-Scale locomotives equipped with a MTC21-pin connector and Keep-Alive wires and connector – #TCS-EU821-KAC – Litchfield Station
SBS4DCC - The Infamous 21MTC Interface Connector
21MTC Interface
SBS4DCC - The Infamous 21MTC Interface Connector
MTC21 adapter for 8-pole decoder (NEM652) – Almrose