Foto: "<a href="https://www.ccnull.de/foto/close-up-of-internet-modem-router-network-connection-wi-fi-wireless-internet-router/1087950" target="_blank">Close-up of internet modem router. Network connection. Wi-Fi wireless internet router</a>" von <a href="https://www.ccnull.de/fotograf/marco-verch" target="_blank">Marco Verch</a> via <a href="https://www.ccnull.de" target="_blank">ccnull.de</a> - <a href="https://www.flickr.com/photos/30478819@N08/51597424746/" target="_blank">Bildquelle</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>