Z21® start Digitalset: Steam locomotive BR 98.75, and a goods train from the Deutsche Bundesbahn (DB), Epoch III.Variant 1:Using the z21® wireless package (type. No. 10814):Contents: 1 preconfigured router + Registration Code Variant 2:In the presence of a own router is the unlock code is required.Z21®-Unlock Code (Art. No. 10818):Contents: 1 Unlock CodePlease note that this advanced networking skills are necessary.This text is machine translated.