Wireless LAN (CUHK Wi-Fi) is available in University Library System. It allows a wireless (radio frequency) connection to a local area network. The wireless LAN employs IEEE 802.11a; 802.11b, 802.11g and 802.11n standards. The wireless LAN operates in 2.4-GHz and 5-GHz frequency bands with Aruba Network’s enhanced roaming features. The roaming features allow notebook computers or mobile devices connected to the wireless LAN to move from one access point to another without losing the connection. And the wireless LAN can support more than 2000 concurrent users. Please visit http://www.cuhk.edu.hk/itsc/network/wlan/index.html for details.

Available SSIDs and Wi-Fi Services

When you search for available wireless networks, a list of SSIDs will be displayed on your mobile devices. CUHK centralized Wi-Fi services provide seven common SSIDs, each representing a unique Wi-Fi service targeting different users:

Wi-Fi Service	SSID	Target Users	Connection Method
CUHK Wi-Fi Service	CUHK CUHKa	- CUHK staff - CUHK students	Web Portal Login
CUguest Wi-Fi Service	CUguest	- CUHK alumni - CUHK visiting guests - CUHK SCS full-time students	Web Portal Login
CUHKWi-Fi Hotspot Partnership Programme	Universities WiFi	- CUHK staff - CUHK students	802.1x
	eduroam	- CUHK staff - CUHK students - eduroam users	802.1x
	PCCW Y5ZONE	- CUHK staff - CUHK students - Paid Wi-Fi service subscribers of PCCW/Y5ZONE	Web Portal Login or 802.1X

Wi-Fi Area posters are available in the University Library System to identify the wireless LAN cover areas. For connecting the Wi-Fi devices with SSID=cuhk and cuhka, computing ID and CWEM password supplied by ITSC will be required for authentication.