Roco HO Scale Command Stations and Expansion

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Z21:With your smart phone or Tablet!

Emergency stop Power display Speedo Tacho Brakes Information display Horn

You can do everything except climb in!

We have discovered the new control for model railways: Z21 is a

revolutionary Digital System, which develops into a unique experience

for running the trains and switching points. Enjoying control from the

very beginning – the Plug & Play capabilities immediately take care of:

  • 10 realistic photographic loco drivers’ cabs up to the end of 2012
  • Operating just like a real engine driver
  • Guided assistance to discover loco operation
  • Beginner- and Engine-Driver modes
  • Blend in your own photos in the display
  • Display of loco data via RailComc

The Operation – so simple, it’s inspired!


1.   Z21-Mobile-App

·         Control for Android- and Apple based Smart phones and Tablet-PCs

·         Intuitive control for the complete layout using the graphic display

·         Fast access for simple selection of locos

·         24 Function keys can be operated using the symbols

2.   Z21- Beginner Mode

·         Control the speed

·         Headlights on/off

·         Station announcement for Vienna

·         Shunting gear/ inertia simulation

·         Doors opening/ closing

·         Sounds of the doors slamming

·         Selection of direction

Z21-Loco Library

·         Setting up and cancelling of the locomotives

·         Selection of the important locos for quick access

·         Sorting the loco list by swiping

Z21-Loco settings

·         Various loco names are possible: i.e. nicknames, train names or UIC codes

·         Vehicle display by photo


·         Individual allocation of symbols

·         Large selection of symbols to choose from

·         Self-explanatory symbols

  • plus loads more!


  z21 Silver
(found in starter sets)

Z21 Black
(available individually)
R-10820 / R-10822

See for
full details on the Z21 and z21

"z21 for beginners & pros"

"Z21 for experts"
Operate like a locomotive driver Yes Yes
Model train controlling via Smaltphone and Tablet-PC Yes Yes
Combined App for Z21 and z21. Download free of charge at the Apple App Store and at Google Play Yes Yes
Plug & Play system Yes Yes
Photo-realistic driver cabs Yes Yes
Complete library of all locomotives, wagons and plant components Yes Yes
For digital DC and AC locomotives (DCC and MM) Yes Yes
POM-programming, POM-read out, CV-programming and CV-read out Yes Yes
Downward compatible - works with all MultiMAUS-Models and Lokmauscontroller 2 via X-Bus-connector Yes Yes
LocoNet-, CAN-Bus- and Sniffer-Bus connector


Individually programmable rails No Yes
Adjustable track voltage No Yes
Zimo-Decoder update procedure No Yes

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