opti 2017 offers free wireless internet access to all visitors in the exhibition halls. Bandwidth is up to 1.5 Mbit/sec. Reception quality and signal availability depend on structures, exhibits and other sources of interference in the halls and can not be guaranteed. Download volume is limited to 50 MB per user per day. To use this feature, you need a WLAN-capable and SMS-capable terminal device to receive your access code.

It works like this:

  • Switch on the WLAN function on your terminal device.
  • Search for wireless networks and connect to the following network: opti2017
  • Start your internet browser.
  • Enter any internet address.
  • The portal page of the free WLAN will appear on screen.
  • Once you have registered and accepted the general terms and conditions, you will receive an SMS with the access code. Once you have entered this code, you may access the internet. Important: When you register, be sure to enter your mobile telephone number, because the access code that you need can only be sent to you by SMS.
  • You only need to register one time during the entire event.



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