With the Z21 digital control center, you can conveniently control your layout using a smartphone or tablet. The multi-protocol central unit is the ideal control system for locomotives with DCC or Motorola (MM) decoders, as well as for managing your digital components. The central unit connects your layout and digital locomotives via Wi-Fi to your smartphone or tablet, using the installed control apps, which can be one of the digital cab apps or the Z21 mobile app.

Using the model-specific cab apps, you can easily control everything by tapping the realistically arranged controls: push the virtual throttle forward, and the locomotive accelerates. Tap the horn, and the characteristic locomotive sound plays. Similarly, you can conveniently control the headlights, interior lighting, and all other digital functions of the locomotive.