The University of Portsmouth does have a guest network, UoP Guest. The purpose of this network is to provide high quality wi-fi access for things like conferences and open days. It does not provide access University resources such as Intranet and internal applications
To connect to UoP GUEST, simply select it from the available list of networks on your device.
You will be taken to a page to register, simply fill in the details and you will be connected.
If a non eduroam using visitor needs full access the wireless network should apply for a temporary account via their University contact.