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to convert Märklin / Trix H0 locomotives with built-in high-performance motors or other DC motors. The märklin LokDecoder3 has a soldered-on cable harness with an already installed eight-pin NEM interface connector for retrofitting many locomotives with a corresponding NEM interface and locomotives with a lack of space.
The märklin LokDecoder3 supports the digital formats mfx, MM1, MM2 and DCC