z21 start base digital set.
Features
    Begin with the Z21 start control centre and the Z21 multiMAUS.
    Retrofit possible using the WLAN router and Activation Code, Art. no. 10814, thus allowing the use of a smartphone, tablet PC, Z21 WLANMAUS and computer (software-supported model railway control centre).
    If you have your own WLAN router and are familiar with WLAN networks, then the Activation Code is all you need for the abovementioned retrofit.