Passengers and visitors to Dortmund Airport can access the Internet via the DOKOM21 WiFi network. You can upload and download data at speeds of up to 54 Mbit/s via the DOKOM21 hotspots. To access the network, you need to buy a hotspot ticket which will have your access details on it.
You can buy the following types of ticket from the information desk (in the public area) and from the West Bar + Shop (in the security area):
1 hour of Internet access for €3
2 hours of Internet access for €5
24 hours of Internet access for €30
Of course, you do not have to use your entire time allowance at once.