Eduroam is available
Please see https://www.uzh.ch/id/cl/dl/admin/ssl-dir/guestaccounts/index.php/accounts/get?lang=en for UZH wifi signup instructions. The event code is 18SRSSS2842 . These wifi accounts will be active 2018-09-16 to 2018-09-23. The short code for the above link is http://t.uzh.ch/coa