This access portal serves for the initial registration of new clients’ devices as well as for the repeated sign-ups of already registered users' devices into the WiFi network "MOL ARENA Free", which provides access to local applications of the MOL ARENA complex as well as Internet access. Without successful registration and sign-up, you are not allowed to use these services and registration of your device is valid for two years from the date of registration.
For greater security of clients in this network, direct communication between connected clients’ devices is not allowed, malicious applications are not allowed to run, and clients are not allowed to access inappropriate content on the Internet. The technology on which this service is provided is operated by O2 Business Services a.s., which also operates this access portal, in accordance with the applicable regulations of Act no. 122/2013. You can send your suggestions to improve the service, whether in terms of quality, application functionality or coverage, by email to
The next time you sign up your device into the network you will be able to use the Internet connection without registration, unless the registration rules are set otherwise.