According to VTC Network Security Controls Policy,
https://intra.vtc.edu.hk/infosec/infosec-policies/network-security-controls-policy
Wireless LAN equipment such as WLAN Access Point, Gateway, and Bluetooth Gateway must be authorized by Information Security Committee, and are connected to separate VLAN.
For detail, please contact us at dilwl-its@vtc.edu.hk first.