The College estate has now been covered by UniofCam and Eduroam, the University Computing Services Wireless system.
A Raven password will be required by College Students, Staff and Fellows to use the UniofCam service.
For conferences and guests, temporary "tickets" are available from the Conference Office or the Porters Lodge.
Eduroam configuration instructions, for multiple devices, for College Students, Staff and Fellows can be found here; http://www.ucs.cam.ac.uk/wireless/eduroam/localusers
If you are using a device with Windows Vista, Windows 7 or Windows 8 system you can now configure eduroam more simply by using the eduroam CAT (Configuration Assistant Tool) - follow this link for your operating system from https://www.ucs.cam.ac.uk/wireless/eduroam/localusers