Home FAQ I’ve been given an Iscte card and it’s already registered in the system. How long does it take to become active? PT Scope: Iscte- IUL CommunityAs a rule, the Iscte card becomes active, i.e. can be used, after 5 minutes. If this doesn’t happen, there will be a new activation during the night. Related Previous e-mail Next What types of RFID readers are there at Iscte?