Can I use wireless LAN (Wi-Fi) in the university? You can connect your laptop or smartphone to the campus wireless LAN (Wi-Fi). For how to use, please refer to the Rainbow Support Site > Services > Service list > Wireless LAN (Wi-Fi) Rits-1Xauth. Related articles I'm experiencing difficulty connecting to the wireless LAN (Wi-Fi) in the classroom. Is there a place on campus where I can print? Can I submit the Request for Leave of Absence form or Request for Withdrawal from the University by mail? Can I borrow a PC? Is that possible to use the facilities on campus even if the BCP level is 3?